Maybe talking to your friends about the whole situation might help?
If shame is stopping you, maybe there are some tough questions you have to ask yourself?
I'm a stranger on the internet, and I'm aware you have posted on the supporter section of this forum, and I'm not a supporter and there are rules about supporters supporting each other and us PTSD heads minding our own a bit in this section, so I will wind my neck in after I say:
Someone who is married to someone else, really doesn't get a say on what you do and who you see. Actually, no one gets to say what you do and who you see.
Wishing you luck. And hope you get the relationship you want and makes you happy.