My advice on dealing with the guilt is to remind yourself of what your kids will have to go through if you stay at home. And what effect it will have on you. Even though both our parents just want what's right for us, it doesn't mean they know what's right for us and it certainly doesn't give them the right to force it on us.
As much has you may love your parents,
you have to live your own life. It's all yours, to do well in, or screw up. You have to decide whether you are going to live
your life for them, or for yourself.
Your parents will have to learn to live with it. And if they refuse to, there is nothing you can do. And if they are hurt by your choices, it's their own fault. Not yours.