Of course you'll get through this. You just need to focus on you and leave them to do whatever it is their doing. Cat had some really good advice. It's hard for any of us to let go ands try to make a new life but it does happen.
Maybe this is only for now. Maybe your H will have a change of heart, but at least for now, you have to live and find your own happiness. Believe me, you will be so surprised by the strength that you never knew you had.
Get out. Do something fun that makes you smile. Life is good in spite of all that you're going through.