Band aids carried in the wallet. Someone gets a boo-boo, you whip out the solution without skipping a beat, and the job at hand continues. In the same vein, first aid training in the case of more serious situations like the two seizure situations I have dealt with on the job. Something about seizures really turns the average bystander into a stump. And that doesn't even begin to cover the incidents experienced in raising 3.2 children.

First aid skills are useful.