You answer for you: I do not know what we would say tomorrow but my emotional state is not good enough to deal with (it)

For him, how about: Thanks for the invitation, but tomorrow's not good for me. Can I contact you when I'm free?

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