Usually injuries don't bother me, but very squeamish about losing nails. It always seems I have managed to do something stupid for it to happen though..LOL
For the most part all of my nails have grown back normal, my toenails have been smashed from a digging bar, literaly pulled out by a horse stepping on my foot and sliding off of it(was wearing boots) and ripped backwards off from a piece of corrugated tin(I was barefoot). The one that did grow back a little funky was my thumbnail. I ripped it off getting the oil fill cap off of a truck, hand slipped off and ripped it off on the fan shroud. Hasn't been the same since, not sure what I could of done to help it though.