answer: Mark neglects #Person1# because Mark is addicted to a video game, called Counter Strike. #Person1# also becomes addicted to the game after Mark invites #Person1# to join the game.
documents: #Person1#: Mark. Where have you been? I've been calling you all morning. 
  #Person2#: I've been playing computer games. 
  #Person1#: What? So you blew me off yesterday and today over a stupid video game? What game is so important that you have no time for me anymore? What are you playing? 
  #Person2#: It's called Counter Strike. It's a first person shooter game. It's awesome. It's a multi player game where you can go online and compete against players from all over the world. 
  #Person1#: You've been wasting your time on this? I can't believe it! It doesn't even look fun or challenging! 
  #Person2#: My laptop is on my bed. If you think it's so easy then get on line and try to beat me. 
  #Person1#: Fine! 
  #Person2#: Damm it! How are you killing me with a single shot? It's not fair! I don't want to play anymore! Let's go get something to eat. 
  #Person1#: Can you bring me something? I am totally hooked on this game!