Even the nicest people in the world have moments where they just can't stand something or someone. As someone who is only slightly nice, I am a person who has a host of pet peeves relating to human beings. I can't stand loud chewers. Sometimes I actually wear earplugs when my boyfriend's roommate is eating with us in the living room. Loud typers? They drive me up the wall with their weighted smashing in the office. People who do things like floss or clip their toenails in public are up there, t…