It’s nice to have some conversation already scripted for you. For instance, when you are deciding how short to cut your hair, you can count on your barber (or hairdresser, whatever you choose to call it) saying, “I can cut it off all day, but I can’t put it back on.” Or some such equivalent statement.

And if someone asks you if you recently got a haircut, you’re pretty much required to reply, “no, I got them all cut.” The person who asks the question is obviously looking for that reply. Not doing so would let them down immensely.