Try as we might, we will from time to time encounter someone who holds too much anger to accept our attempts at friendship. These people do have intervals where they seem to be able to enter into a relationship, but before long they sabotage it. Each of us has to decide when we have had enough, and when that moment comes the only healthy thing to do is walk away. The old adage is true – you can lead a horse to water, but you can’t make him drink.