34. No Smoking in the Bathroom

Some people apparently still think it’s the 70s and 80s. While smoking on planes was banned a long time ago, the addiction that comes from smoking means a particularly long plane ride can be an absolute nightmare for withdrawal.

The desperation can lead to attempts to smoke in various sneaky ways, the bathroom being the most popular on planes and trains both. Unfortunately, that doesn’t hide the damn stink of it. Ungh. It is a shame so many people are still addicted to this bad habit.