Dont feel like loosing him...but have to because of his looks...?

A guy loves me...but he doesnt look good...he is dark, fat..maybe Kgs 65...overall he doesnt luk good...I'm fair, slim, more than average looking...But he really loves me. I can advise him to gym for his weight..but what about his skin colour? Or am I in hurry & I shud wait for another guy to come in my life? Pls...i need someone to advise me PLS...?