Hugs, Summer, I've been there. It's the hardest thing to accept that transition can cause distance in a marriage, but it's a reality. I went through some of the same things you did. At first my wife seemed to be OK with it, but then she asked me for a divorce.
The only good news is that you are strong. Strong enough to deal with whatever happens. I promise. You may not like it, but you have the strength to deal with it.
Please protect yourself, both legally and emotionally. You have legal rights and you need to make sure they are protected. For the sake of your children, you also will need to go down the painful road of learning to be without her support. Both these steps will make the journey easier in the end.