(we STILL have no fitness sub, mods please)

"my legs are so tired, I'm just siiiiting in my underpants right now"

me, siiiiting and asking google: "why are my bones and muscles as weak as someone in zero-gravity?"

>tfw you siiit so much that you can't squat with your heels down on the ground like a normal human (source: "Most Western adults cannot place their heels flat on the ground when squatting because of shortened Achilles tendons caused by sitting" https://en.wikipedia.org/wiki/Squatting_position#Resting_position)