'Sorry, too knackered' just isn't good enough is it?
I'd be hopping mad. It shows no consideration, at all, for you having made the effort to be there.
With some people it's all 'Me, me, me!' and they'll just drop you like a stone if it suits them. They are not real friends.
Lack of public toilets in towns.
Passports not in the drawer I always keep them in. Turning the place upside down.