And now for a little lesson in thinking on the dime, brought to us by David: you’re in love with a woman and want to spend your life with her. You can’t wait to pop the question to her. You don’t have the engagement ring on you, but the moment is ripe and the moment is now. One by one, very discreetly, you remove the keys from your key ring and whammo– instant engagement ring. You propose with said engagement ring. She laughs. She says yes.