Maybe, you should try sharing your wife`s hobby. Try to communicate with her, wondering more about this game. Try to play together. Getting more common in games, you will be able to spend more time out of it.
Nice, Slime that you are sharing your experience with us. To quit games, you need just throw away your computer, SP or other playing gadgets. Try to communicate with your wife and pay attention to out-door games with children if you have.
If you have philologic education, you can work as an academic writer: to write course works, diploma papers, articles, reports for those, who hasn`t got enough time to do it themselves.