Things a mother should know: how to comfort a son without exactly saying Daddy was wrong.
Newish friends, if they get ghastly, can be weighed and found wanting, but you'd never do a thing like that to old ones; their terrible habits are just part of the universe.
Find out what you like doing best, and get someone to pay you for it.
Children and zip fasteners do not respond to force ... except occasionally.
No nice men are good at getting taxis.
Whereas a lot of men used to ask for conversation when they really wanted sex, nowadays they often feel obliged to ask for sex even when they really want conversation.