Not only do you need to ask, but anything that could be considered more serious, painful, or potentially triggering (anal, choking, slapping, bondage, etc.) REALLY needs to be discussed and agreed upon beforehand, not brought up in the moment.
Set your boundaries before you fuck, and then respect them.
Ask if he would think it’s a big deal if he was in the hospital for several days after a life threatening infection and surgery.
this is so cringe inducingly bad, you are a shit writer OP
Not only do you need to ask, but anything that could be considered more serious, painful, or potentially triggering (anal, choking, slapping, bondage, etc.) REALLY needs to be discussed and agreed upon beforehand, not brought up in the moment.
Set your boundaries before you fuck, and then respect them.