Especially as it doesn't jump out and break my jaw.

You'd be surprised how much the combination of adrenalin and endomorphins can dull your pain, even when you break your jaw or your arm.

I once broke my jaw and had to get stitches on the inside of my mouth.

The breastplate from his body armour lurched into his face, breaking his jaw.

The youngster needed a metal plate in her face after breaking her jaw.