At 73, I’ve been getting those for years. Especially on the back of my hands and forearms. I get them when doing work when forcing my hands into tight spaces with acute edges. As a younger man I would come away with white chafing and possibly a redening of the skin. Now I get what I call “old man bruises” that clear away in a week or two. They look like hell but cause no discomfort.
You too, eh?