This is why it is difficult for man to answer unknown call

A man received an unknown call..
Girl : hello do you have a gf??
Man : no, who are you darling?
Girl : M ur girl friend Diana, hate u
Again man got a call
Girl : do u have a gf??
Man : yes darling
Girl : m ur wife Alice, hate u
Man : oh sorry honey i didn’t recognise u
Girl : m Diana i knew it that u have a wife, Hate u liar…
Man : wtf….. :-P:-D