Drowning.

Got a lesson in scuba diving on the Red line last week. The drunk ones always find me. Guess I look empathetic. He told me I was running out of time. That it was necessary I slap on a wet suit and get the hell out there. And that if I had to puke, to quickly remove the mask under water and puke, puke, puke. When I told him my stop was next, he realized he missed his own stop and belched all the way out.