Jealousy, you know, is usually not an affair of causes. It is much more-how shall I say?-fundamental than that. Based on the knowledge that one's love is not returned. And so one goes on waiting, watching, expecting...that the loved one will turn to someone else.
Agatha ChristieAnd, of course, afterwards -- one always hears these things afterwards, so much better if one heard them before -- we found out that dozens of empty brandy bottles were taken out of the house every week!
Agatha Christie