I've stepped on rusty nails twice in my life. The nails maybe went into my foot each time by about half a centimeter. They didn't really hurt. The very small

I've stepped on rusty nails twice in my life. The nails maybe went into my foot each time by about half a centimeter. They didn't really hurt. The very small area felt mildly sore. I've heard that getting stabbed feels like being punched. I imagine it's similar mechanism, just on a smaller scale.