collections - Adding a model to Collection in Backbone

Question

Possible Duplicate:
Backbone.js Empty Array Attribute

I've been working on a backbone project and came to a problem, so I mocked it up simply, but then ran into some things I didn't understand. Here is the code:

(function(){
    myModel = Backbone.RelationalModel.extend({
        idAttribute: 'id',
        relations: [{
            type: Backbone.HasMany,
            key: 'mysubmodels',
            relatedModel: 'mySubmodel',
            reverseRelation: {
                key: 'mymodel',
                includeInJSON: 'id',
            },
        }],
    });
    mySubmodel = Backbone.RelationalModel.extend({
        idAttribute: 'id',
    });
    myCollection = Backbone.Collection.extend({
        model: myModel,
    }); 
    myView = Backbone.View.extend({
        initialize: function(){
            this.collection.bind('add', this.doSomething);
        },
        doSomething: function(){
            console.log('a model has been added')
        },
    });
}());

$(document).ready(function(){   
    var data = {
        id:1,
        data: 'this is one',
        mysubmodel: {
            data: 'hello'
        }           
    };

    var cltn = new myCollection();
    console.log(cltn);
    var vw = new myView({collection: cltn});

    var mdl = new myModel(data);
    cltn.add(mdl);
    console.log(cltn);
});

Essentially, the part that is confusing me is that the two 'console.log(cltn)' at the bottom are both registering that a model has been added despite the fact that the model is added after the first log.