True friends will pick you up when you fall. The bad friends will have been the one who made you fall in the first place.
Why do they call it proctology? Is it because analogy was already taken?
A good friend will help you move. But best friend will help you move a dead body.
My best friend is the only person in the world who could stop me from crying.
In a friend you find a second self.
Two heads are better than one.