oh yeah...our worst was the "brother" who after all the fuss went back and stole the tip my hubby had left. nobody came up with enough $$ for the bill, much less the tip....so my hubby being the generous soul he is covered the tab, plus left a good tip. this dude actually made some excuse and went back and pocketed it.
then there was one CO who was known to befriend those who he knew would take him to $$$ restaurants and foot the bill....we became very good "friends" for a rather short while - same couple wanted us to go on an out-of-country vacation with them....we saw the handwriting on the wall and opted not to........