Know how and how much to tip people who expect gratuities, even in the case of poor service.
Marilyn vos SavantAt first, I only laughed at myself. Then I noticed that life itself is amusing. I've been in a generally good mood ever since.
Marilyn vos SavantIt is a lot easier to prove that you don't love someone than it is to prove that you do, but one of the best 'proofs' I know is the desire to devote time to the person with no expectation of any sort of compensation, including gratitude, in return.
Marilyn vos Savant