Just hope there's no big wind. As the gas leaks out, your high-flying daughter should come back down to Earth. The checks roll in. A. Nothing, but he knows his math. Could cause little reaction, or death if vital tissue is involved.
Accidents happen, as when a strike badly misses target prey.
Then there are those stories of cornered or injured snakes biting themselves to commit suicide. Certainly a snake under stress may self-inflict, most notably when it's pinned with a hook or stick and goes into a frenzy. Brought into a TV studio, a sidewinder rattlesnake began self-biting and died shortly afterward. Extreme cold is another factor. On several instances I found rattlesnakes with their fangs embedded mid-body after euthanization.