Pilots do it to get high. Pilots keep it up longer. Pipefitters do it with blowtorches. Plumbers do it under the sink. Plumbers do it with snakes and helpers.
Podiatrists do it with feet.
Poker players do it with their own hand. Policemen like big busts. Politicians do it to everyone Politicians do it to make the headlines. Politicians do it for 4 years then have to get re-erected. Polymer Chemists do it in chains.