Maybe it is worth investigating the unknown, if only because the very feeling of not knowing is a painful one.
I first wanted to be a psychiatrist. I decided against that in medical school when I discovered that psychiatrists didn't, in reality, do what they did on TV.
I've told Billy if I ever caught him cheating, I wouldn't kill him because I love his children and they need a dad. But I would beat him up. I know where all of his sports injuries are.