If we have confidence in a law, then if something appears to be wrong it can suggest to us another phenomenon. - Richard Feynman

There was an interesting early relationship between physics and biology in which biology helped physics in the discovery of the conservation of energy, which was first demonstrated by Mayer in connection with the amount of heat taken in and given out by a living creature.

[T]he total amount that a physicist knows is very little. He has only to remember the rules to get him from one place to another...

I started to walk into the bar, and I suddenly thought to myself, “Wait a minute! It’s the middle of the afternoon. There’s nobody here. There’s no social reason to drink. Why do you have such a terribly strong feeling that you have to have a drink?” — and I got scared. I never drank ever again, since then. I suppose I really wasn’t in any danger, because I found it very easy to stop. But that strong feeling that I didn’t understand frightened me. You see, I get such fun out of thinking that I don’t want to destroy this most pleasant machine that makes life such a big kick. It’s the same reason that, later on, I was reluctant to try experiments with LSD in spite of my curiosity about hallucinations.