What on earth are you doing here then?

Patron: ::mumbles and grumbles as they try to retrieve their library card from a tight wallett in order to check out some items::
Librarian: I'm sorry, I didn't catch that...
Patron: I said, I fucking hate getting my god-damned library card out!
Librarian: Oh, well, um, I can look your card account up for you?
Patron: No, I'll get my card out, that's why I carry this god-damned thing around!