There is a little story. But from where i read or heard it just not able to recall, may be i have written it.
Okey, story line is something like this
"
There were three states. A big-state another small state and in between this two there was another very very small tiny-state. This tiny-state was dependent on big state and friendly towards small-state. Now, how to live peacefully ? It started telling big-state that small-state is your enemy and created war like situation between them . Now this two big neighbours are enemy and tiny-state is benefiting from both state.
"
This is the way of life.
I don't know the solution but i have seen it in society, friendships, nations etc.
It is an ancient problem but solution may tried is neutralize that tiny-state who is creating the problems.