Promises will cost you nothing. Everyone’s a millionaire where promises are concerned. Hope, if only she is duly fostered, holds out a long time. She’s a deceitful goddess, but a very useful one…. The really great problem, the problem that takes all a man’s skill to solve, is to win a woman’s favours without making her a present. If you succeed in that, she will go on giving….
Ovid The Art of Loving 2 AD