While interviewing Derek Jeter's girlfriend and winner of arbitrary hot woman award, Esquire magazine noted that Minka Kelly does not just thank waiters, she pauses if she is talking, looks up at them and smiles and says, "Thank you."
When the reporter pointed out this heroic feat of looking while talking to her underlings, she responded, "My boyfriend noticed that about me, too. He's the same way. It's actually unfortunate, in a way, that you would notice that. It blows my mind that anyone could be unkind to anyone. The guy clearing our plates is a person. I don't care if you're sweeping the floor. I don't care if you're cleaning my toilet."
Just don't be a flight attendant or pilot asking her to take her dog off her lap during take-off for safety reasons.