There's a difference between letting people know how you feel and nasty negative sniping (great job catching yourself doc!).

Compare:

"Thanks for the short notice," laden with sarcasm.

"I'm glad you have a fun outing plan, yet I feel a little hurt about the short notice, like I don't matter," said directly and sincerely.

But, since Doc is deeming this a new dating R, his new prospective GF shouldn't really need to give him notice about such things right now ;-)

Best,
Oldtimer