misery loves company

Misery loves company is a common catch phrase which is used by someone who wants to make a point about the fact that miserable people tend to flock together. However unlike some people who think it is simply about miserable people wanting to be close to one another, it is more commonly referred to meaning that a miserable or unhappy person likes other people to be unhappy too and they will do or say things to initiate other happy into being miserable.