def no_longer_express!(emotion, emotive)
      _emotions_about(emotive).where(emotion: emotion).first.tap { |e| e.try(:destroy) }
    end
def no_longer_express!(emotion, emotive)
      _emotions_about(emotive).where(emotion: emotion).first.tap { |e| e.try(:destroy) }
    end
No longer express an emotion towards another record

 @example
   user = User.first
   picture = Picture.first
   user.no_longer_express! :happy, picture