X was one of _those_ people who you would avoid like the plague. If you see them at work, you grab the nearest person and start discussing the heavy workload your boss gave you, even if you hadn't spoken to that person in your life. If you saw them on the street, you turn on your phone and start texting someone, whilst crossing the road away from them, because getting hit by a car is probably still better than being dragged into conversation with them. If somebody calls you, you stare at the phone until it's finished ringing out of fear that it might be them. If they try to talk to you, you come up with a hasty excuse, something along the lines of "Sorry, I just remembered, I forgot to water my cat, I must go!" And run out of there as fast as you possibly can.