If trouble troubles you, perhaps you should teach yourself to feel less troubled by trouble. Don't similar principles apply when dealing with bullies? Aren't they attracted only to the weak? When do we ever see a bully bullying another bully? Might we not make the case that our fears prey upon us in much the same way as some exploitative individuals? And should we not tackle them with much the same technique? Bring yourself up to your full height today, and look whatever is bothering you right in the eye. Tell it to leave you alone.