Romantic love is an obsession. It possesses you. You lose your sense of self. You can’t stop thinking about another human being.
Romantic love is an addiction: a perfectly wonderful addiction when it's going well, and a perfectly horrible addiction when it's going poorly.
The main characteristics of romantic love are craving: an intense craving to be with a particular person, not just sexually, but emotionally.
I don’t think we’re an animal that was built to be happy; we are an animal that was built to reproduce.