Chances are that if you currently cant grow much hair for a mustache you never will be able to. I can grow a beard just fine but I can not shave above my lip for a month and it will never get beyond fuzzy caterpillar it was that way when I was 17 it is the same today and I am 34.And my brothers are the same way.
Same goes for hair color I have known guys that had black,brown,or blonde hair but if they tried to grow a mustache the hair there is red your only cure there is to buy the just for men facial hair coloring stuff if you dislike the color.
I'd say don't bother with a stash if you do not like how it naturally looks dying your facial hair is silly at any age.Also some women do not like facial hair at all so keep that in mind.
Honestly if you still have the same hair style that you did in pictures that you have posted in the past I'd stay clean shaven unless you want to look like this guy:
Maybe you are shooting for this look but this SF guy only has the beard to help him mingle with the locals
and he is a bad ass the first thing he does when he gets back to the states is shave that sucker:
The basic rule of thumb is what ever you do have make it look like you give a **** about how it looks in other words keep it groomed and if you cant grow it thick enough
do not bother or if your wife/girlfriend dislikes/likes a certain style well that is that but seeing as Anthony is trying to hook up with some girl he does not know what she likes but
if she is worth the time she will like a guy that confident in himself which has nothing to do with facial hair.