diff --git a/bin/git-stats b/bin/git-stats
index 7524ba9..e3e6eac 100755
--- a/bin/git-stats
+++ b/bin/git-stats
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 
 // Dependencies
-var GitStats = require("../lib")
+var GitStats = new (require("../lib"))()
   , Moment = require("moment")
   , Logger = require("bug-killer")
   , CLP = require("clp")
diff --git a/lib/index.js b/lib/index.js
index 3800957..17f8c62 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -10,17 +10,18 @@ var Ul = require("ul")
   , CliGhCal = require("cli-gh-cal")
   , GitLogParser = require("gitlog-parser").parse
   , ChildProcess = require("child_process")
+  , Deffy = require("deffy")
+  , Typpy = require("typpy")
   , Exec = ChildProcess.exec
   , Spawn = ChildProcess.spawn
   ;
 
 // Constants
-const STORE_PATH = Abs("~/.git-stats")
-    , DATE_FORMAT = "MMM D, YYYY"
-    ;
+const DATE_FORMAT = "MMM D, YYYY";
 
-// Constructor
-var GitStats = module.exports = {};
+function GitStats(confPath) {
+    this.path = Deffy(confPath, Abs("~/.git-stats"));
+}
 
 /**
  * record
@@ -37,16 +38,19 @@ var GitStats = module.exports = {};
  * @param {Function} callback The callback function.
  * @return {GitStats} The `GitStats` object.
  */
-GitStats.record = function (data, callback) {
+GitStats.prototype.record = function (data, callback) {
+
+    var self = this;
 
     // Validate data
     callback = callback || function (err) { if (err) throw err; };
     data = Object(data);
+
     if (typeof data.date === "string") {
         data.date = new Moment(new Date(data.date));
     }
 
-    if (!data.date || !/^Moment|Date$/.test(data.date.constructor.name)) {
+    if (!/^moment|date$/.test(Typpy(data.date))) {
         callback(new Error("The date field should be a string or a date object."));
         return GitStats;
     }
@@ -62,8 +66,9 @@ GitStats.record = function (data, callback) {
     }
 
     // Get stats
-    GitStats.get(function (err, stats) {
+    self.get(function (err, stats) {
         stats = stats || {};
+
         var day = data.date.format(DATE_FORMAT)
           , today = stats[day] = Object(stats[day])
           , repo = today[data.url] = Object(today[data.url])
@@ -71,10 +76,10 @@ GitStats.record = function (data, callback) {
 
         repo[data.hash] = { date: data.date };
 
-        GitStats.save(stats, callback);
+        self.save(stats, callback);
     });
 
-    return GitStats;
+    return self;
 };
 
 /**
@@ -86,11 +91,12 @@ GitStats.record = function (data, callback) {
  * @param {Function} callback The callback function.
  * @return {GitStats} The `GitStats` object.
  */
-GitStats.get = function (callback) {
-    ReadJson(STORE_PATH, function (err, data) {
+GitStats.prototype.get = function (callback) {
+    var self = this;
+    ReadJson(self.path, function (err, data) {
 
         if (err && err.code === "ENOENT") {
-           return GitStats.save({}, function (err) {
+           return self.save({}, function (err) {
                callback(err, {});
            });
         }
@@ -98,7 +104,7 @@ GitStats.get = function (callback) {
         if (err) { return callback(err); }
         callback(null, data);
     });
-    return GitStats;
+    return self;
 };
 
 /**
@@ -111,9 +117,9 @@ GitStats.get = function (callback) {
  * @param {Function} callback The callback function.
  * @return {GitStats} The `GitStats` object.
  */
-GitStats.save = function (stats, callback) {
-    WriteJson(STORE_PATH, stats, callback);
-    return GitStats;
+GitStats.prototype.save = function (stats, callback) {
+    WriteJson(self.path, stats, callback);
+    return this;
 };
 
 /**
@@ -131,7 +137,7 @@ GitStats.save = function (stats, callback) {
  * @param {Function} callback The callback function called with the current day formatted (type: string) and the `Moment` date object.
  * @return {GitStats} The `GitStats` object.
  */
-GitStats.iterateDays = function (data, callback) {
+GitStats.prototype.iterateDays = function (data, callback) {
 
     if (typeof data === "function") {
         callback = data;
@@ -156,7 +162,7 @@ GitStats.iterateDays = function (data, callback) {
         start.add(1, "days");
     }
 
-    return GitStats;
+    return this;
 };
 
 /**
@@ -169,15 +175,17 @@ GitStats.iterateDays = function (data, callback) {
  * @param {Function} callback The callback function.
  * @return {GitStats} The `GitStats` object.
  */
-GitStats.graph = function (data, callback) {
+GitStats.prototype.graph = function (data, callback) {
 
     if (typeof data === "function") {
         callback = data;
         data = undefined;
     }
 
+    var self = this;
+
     // Get commits
-    GitStats.get(function (err, stats) {
+    self.get(function (err, stats) {
         if (err) { return callback(err); }
 
         var cDayObj = null
@@ -185,7 +193,7 @@ GitStats.graph = function (data, callback) {
           ;
 
         // Iterate days
-        GitStats.iterateDays(data, function (cDay) {
+        self.iterateDays(data, function (cDay) {
             cDayObj = year[cDay] = {
                 _: stats[cDay] || {}
               , c: 0
@@ -199,7 +207,7 @@ GitStats.graph = function (data, callback) {
         callback(null, year);
     });
 
-    return GitStats;
+    return self;
 };
 
 /**
@@ -212,8 +220,11 @@ GitStats.graph = function (data, callback) {
  * @param {Function} callback The callback function.
  * @return {GitStats} The `GitStats` object.
  */
-GitStats.calendar = function (data, callback) {
-    GitStats.graph(data, function (err, graph) {
+GitStats.prototype.calendar = function (data, callback) {
+
+    var self = this;
+
+    self.graph(data, function (err, graph) {
         if (err) { return callback(err); }
 
         var cal = { total: 0, days: {}, cStreak: 0, lStreak: 0, max: 0 }
@@ -252,7 +263,7 @@ GitStats.calendar = function (data, callback) {
 
         callback(null, cal);
     });
-    return GitStats;
+    return self;
 };
 
 /**
@@ -265,17 +276,19 @@ GitStats.calendar = function (data, callback) {
  * @param {Function} callback The callback function.
  * @return {GitStats} The `GitStats` object.
  */
-GitStats.ansiCalendar = function (data, callback) {
+GitStats.prototype.ansiCalendar = function (data, callback) {
 
     if (typeof data === "function") {
         callback = data;
         data = undefined;
     }
 
-    GitStats.graph(data, function (err, graph) {
+    var self = this;
+
+    self.graph(data, function (err, graph) {
         var cal = [];
 
-        GitStats.iterateDays(data, function (cDay) {
+        self.iterateDays(data, function (cDay) {
             cDayObj = graph[cDay];
             if (!cDayObj) { return; }
             cal.push([cDay, cDayObj.c]);
@@ -288,10 +301,10 @@ GitStats.ansiCalendar = function (data, callback) {
         }));
     });
 
-    return GitStats;
+    return self;
 };
 
-GitStats.authors = function (options, callback) {
+GitStats.prototype.authors = function (options, callback) {
     var repo = new Gry(options.repo);
     repo.exec("shortlog -s -n --all", function (err, stdout) {
         if (err) { return callback(err); }
@@ -307,9 +320,10 @@ GitStats.authors = function (options, callback) {
         });
         callback(null, pieData);
     });
+    return this;
 };
 
-GitStats.authorsPie = function (options, callback) {
+GitStats.prototype.authorsPie = function (options, callback) {
     if (typeof options === "string") {
         options = {
             repo: options
@@ -324,12 +338,13 @@ GitStats.authorsPie = function (options, callback) {
         return callback(new Error("The repository folder doesn't exist."));
     }
 
-    var repo = new Gry(options.repo)
+    var self = this
+      , repo = new Gry(options.repo)
       , pie = null
       , pieData = []
       ;
 
-    GitStats.authors(options, function (err, authors) {
+    self.authors(options, function (err, authors) {
         if (err) { return callback(err); }
         if (authors.length > 50) {
             var others = {
@@ -350,9 +365,11 @@ GitStats.authorsPie = function (options, callback) {
 
         callback(null, pie.toString());
     });
+
+    return self;
 };
 
-GitStats.globalActivity = function (options, callback) {
+GitStats.prototype.globalActivity = function (options, callback) {
 
     if (typeof options === "string") {
         options = {
@@ -387,4 +404,8 @@ GitStats.globalActivity = function (options, callback) {
           , end: options.end
         }));
     });
+
+    return this;
 };
+
+module.exports = GitStats;
diff --git a/package.json b/package.json
index 5b26c35..f13581c 100644
--- a/package.json
+++ b/package.json
@@ -44,6 +44,8 @@
     "abs": "^1.0.0",
     "gry": "^4.0.0",
     "gitlog-parser": "0.0.2",
-    "progress": "1.1.8"
+    "progress": "1.1.8",
+    "deffy": "2.0.0",
+    "typpy": "2.0.0"
   }
 }