You'll provide a valuable balance in your social circle right now -- someone is being incredibly inflexible, acting like they are the only person on earth and overlooking everyone else's needs. People are starting to lose their temper, and it looks like trouble is brewing. Since you are usually so warm and open to change, it falls to you to help this stick in the mud loosen up a bit. Appeal to their urge to be popular. Let them know that their behavior is not winning them any friends.