I understand your dilemma but I think you said some important things and that is you are close with his family. So you are not going to the wedding for him, but to honor your relationship with them. I am sorry he has hurt you. Go with your head held high and enjoy yourself as best you can.
I await your thoughts.
Can I support you further?
If all good for now, please take a moment to click the rating stars to rate my support and I am here again if you need me. Thanks so much. If you decide to go please enjoy as best you can.