just remind her that there are plenty of guys out there that spend the same amount of money out at the bars on hookers and blow. You sacrificed and stayed home, where you were accessible at anytime she needed. Not only did you do all that but during that time you were creating something from nothing. Which sort of makes you god like.
If that explanation flies at all then post your wife's sisters number here cause my current wife didnt buy into the above explanation at all.