Your viens will only be visible if your muscles are stretching out your skin to the max. most of the time. Viens arn't super bad though... everyone has their own opinion. Some girls like it some girls don't. :) sorry if this doesn't help but, its the truth. but you shouldn't care what anyone else thinks.
i think they're interesting on the arms.
same as ^
I love them on the arms, but not anywhere else.