The 'He's Just Not That into You' actress, Scarlet Johansson, says shes completely baffled by the fact that men have nipples.

She quoted in Chicago Sun Times, The one thing I don't understand about men is nipples. I don't know if there is one aspect of men that I don't understand other than why they have nipples. Honestly, why? I guess it has something to do with the X chromosome.

What is the function of the male nipple? Maybe we all start as androgynous creatures and then they become men?

Scarlett, 24, still reveals she is crazy for her husband Ryan Reynolds, who she married in a secret ceremony last September, despite admitting confusing aspect of the male anatomy, saying I am really in love with love. I'm a lover not a fighter. I'm a real lover.