Because his life is at stake.
He's Ben Solo his whole life
You guys have no life!"
Because they can't even.
A retardis.
By his coffin!
Probably clawing at the inside of his coffin.
He didn't want to stake his tent.
Because the stakes would be too high.
Because Dracula was coffin. Source: A Laffy Taffy wrapper.
Coffin medicine.