Dilman Dila on Nostr: Watching this video hurts my knees, too much! And how come they don't have even a ...

Watching this video hurts my knees, too much! And how come they don't have even a bead of sweat on them, yet me I go up just one flight of stairs and I'm panting and sweating like a (looking for an animal to put in here)? What witchcraft do they use?