I think Shakespeare had a lot to contribute with his understanding of the human condition.
“Friendship is held to be the severest test of character. It is easy, we think, to be loyal to a family and clan, whose blood is in your own veins.”
“Breaking up is just hard, even if you're the one breaking up. It's not fun. It can be dramatic and complicated. And then you get a little distance and you think, why did it have to be so complicated and dramatic?”