Holding the Door Open Is Not That Hard
by Nick Douglas from Lifehacker on (#3WW8B)

It's not hard. It feels hard! When you walk through a door right before someone else, you need to hold that door open for them, or else you're rude. But if they're a little too far behind you, they have to hurry to catch up, and then (as redditor Voldetitty recently pointed out) you're actually being annoying. At some"