Is it rude to say 'no thanks' when someone invites you in when you're only there to drop off their DC?
I invite other parents because it just falls out of my mouth but I don't really mean it or want them to accept.
I got stuck for an hour recently whilst trying to pick DD up.
It's lovely that they offer and I don't want to offend them but I'd really rather just give them their DC and say bye.