There are times when we don't have any money with us. These are NOT the times to turn up to an IN event.
Only last night I bought a drink for a girl, at her request, who promptly went off and drank it with another man... If I buy somebody a drink, I think it is only courteous that they should drink it with ME. Don't you?
I am an out-of-work penniless artist but I still make sure I can cover my costs, otherwise I would not go. That was a Goddamned cheek!