please create a comment D:

createComment

$scope.createComment = function() {

    // Attach current Article Object
    var article = $scope.article;

    // Create new Comment object
    var comment = new Comments ({
        body: this.body
    });

    // Update current Article Object
    article.$update(function() {
        //$location.path('articles/' + article._id);

        // Save new Comment object
        comment.$save(function(response) {
            console.log('Comment in $save: %s', response._id);

            // Redirect after save
            $location.path('articles/' + article._id);

            console.log('This is saving via the articles controller... createComment fx');

            $scope.body = '';
        }, function(errorResponse) {
            // Comment errorResponse
            $scope.error = errorResponse.data.message;
        });
    });

    console.log(comment + '\n');

    console.log(article);

};