If you really want to do it, all you should need to do is make sure she knows that you can't be happy without pursuing your dreams. Your spouse should want that

If you really want to do it, all you should need to do is make sure she knows that you can't be happy without pursuing your dreams. Your spouse should want that for you, and should be on board, no matter what the sacrifice. It helps, though, to give something back for her dreams. Marriages are partnerships, after all.