because they're too poor to afford chairs.
Poached.
Waiter: Don't ask me. I only laid the table.
Paddy o' Furniture
A: Scotsmen don't change light bulbs it's cheaper to sit in the dark
He couldn't afford it; he was "Baroque".
It cost an arm and a leg
So he can have a rest after he gets tired from waking up.
A Chair-ity!
They egg them on!
A: If they dropped them they'd break