Although is not easy to control but you just have to careful by the way you share your personal issue with them or your secret.
Because some people when they know very thing about you they will be the one to link the secret to your enemy.
So the best thing is to be mindful of how to share things with them.
that's true but there's a saying that says keep your enemy beside you so you will have a watch over him. if you can know how to keep our enemy beside us without them hurting us it is the best we can do, don't run away from them but be careful dealing with them.