I think inviting him is OK, just so you're clear on why you're inviting him and have no expectation about what it means if he goes or doesn't go. That's the hard part, his choices say nothing about you.

My thread is here: We're Dating

Me 57/H 58
M36 S 2.5yrs R 12/13

Let me give up the need to know why things happen as they do.
I will never know and constant wondering is constant suffering.
Caroline Myss