I noticed that my knees were uncovered when the little pieces of what I thought were gravel scraped against my skin, only to find out later that they were my actual kneecaps grinding against the pavement below them.

*shuddering vigorously*

THIS

And stories like that are why I checked the box for skin donation along with my organs. <shudders> Losing your entire layer of skin so it can’t grow back! Horror.