Jealous people are not lazy. They're measuring their position against someone else progress instead of against their own potential.. and that's a wrong calculation that losses always.
Don't hate the player, hate the game. "Unless you have the power to change game (which is often systemic and institutional). Why not play it the best you can with what you have?
If your relationship is struggling and you're not married, getting married and having kids won't make it any better. Look at yourself with brutal honesty and make changes...