Erm if you are superstious there will be many different things said that are bad or good.But its only hear-say.Never proven.
I have a mole on my face and i think it is not necessary to remove at all.
Some people go for plastic surgery just to put a beauty mole on their face.
There are also some who say that moles and dimples on the face means that the kid is a fairy or smth like that.
If you really wanna remove the mole i think there is a shop in toa payoh that can do it.
However removing the mole may cause your girl to think that moles are not nice/bad/ugly so they have to be removed