Well as far as i know of stretch marks are just one of those things that will never go away, However you can buy cream for it which helps and makes it a lot less visible some people claim that the cream actually makes it near enough invisible and have said that it has made them go away.

Its good that your wife loves you for who you are but then again its also important that you feel good about yourself..

I didn't know you were married slip, How old did you say you were again like early 20's?