Everyone should work in the service industry at least once in their life. It really puts things into perspective. If your ego is too big, it will for sure shut that down. If you're insecure and too shy, it will bring out a more assertive you. It might be painful and even traumatizing (I worked at a pizza place in college almost a decade ago and I STILL have nightmares that I'm accidentally missing a shift…), but it helps you understand how to function in a society a little better. Actually, a l…