Your request is not selfish at all. You can most certainly ask your hubby to please you with his hands.

I empathize with feeling self-conscious about appearance and being concerned of taste/smell (even though I shower and keep clean). I have the reverse problem as you: I WANT my first boyfriend to give me oral but he says he can't stand the taste & smell. Consider yourself fortunate that you have a hubby who wants to please you in this way! But again if you simply don't like receiving oral, there's nothing wrong with that - there are other ways to feel pleasure. Good luck to you both!