I agree with kate. Let you W do the work. I’m sure she will find out some legal stuff that she is not going to like. You should not just roll over. You’ve been M to her for 12 years, raising her son, you should not just walk away with nothing.
M:50 H:52 S28 (my S from previous marriage) M:17 + 3 BD: 06/12 S: 06/12 - H works in another state