save: function(key, val, options) {
  const model = this;
  let attrs;

  if (key == null || typeof key === 'object') {
    attrs = key;
    options = val;
  } else {
    (attrs = {})[key] = val;
  }

  options = _.extend({ validate: true, parse: true }, options);

  if (attrs) {
    if (!this.set(attrs, options)) {
      return false
    };
  } else if (!this._validate(attrs, options)) {
    return false;
  }

  options.success = function(attributes) {
    if (options.parse) {
      attributes = model.parse(attributes, options);
    }

    if (attributes && !model.set(attributes, options)) {
      return false;
    }
  };

  const method = this.isNew() ? 'create' : (
    options.patch ? 'patch' : 'update'
  );

  if (method === 'patch' && !options.attrs) {
    options.attrs = attrs
  };

  return this.sync(method, this, options);
},