Michelle: My ex left when our daughter was 18 and a full time college student. I agree with Lisa, because you have reached the 20 year mark, find out what is at stake if you divorce. If you decide to end the marriage, DO NOT leave the house if you can afford to keep it (you have kids and it mimimizes disruption for them). My parents (also divorced) had many lengthy arguments (we timed 2 of them - 2 1/2 hours each and this scars the kids, so don't stay together for them) or bring in a trusted person as a roommate to help you make ends meet. If your husband does not have much money, he could live with family, live in a small place or get a roommate or even rent a room. My ex was kicked out by both Lawyers because they felt he would start fighting and moved and lived with family for 2 years. Make sure you get your child support for the 15 year old. You did not state whether or not you are working. I was working very part time due to an injury for half the 21 yr. marriage. I stayed home for 10 years because my whole check would have gone to day care and family was working. I put our daughter in the car when she was 10 and delivered papers. Alimony in most States is restorative in nature and depends upon many factors including the length of the marriage, employability of both spouses, health of both, age of both, etc. See if you can get a free consultation with a Family Lawyer. I had one. They are best when it comes to families with kids. My ex took me back to court each year, fighting the alimony so he could buy a house. I was glad I was able to get off alimony when Dad's Estate became available. I was 46 when my ex left. Let us know how it goes. We do care.