Only worry about what you absolutely know about,' Mr. Worthington said to me, putting my mind back where it belonged. 'That's the key. Worrying about anything else is just a waste of time and emotion. I know that seems obvious but honestly, the more information you have, the less your imagination can run away with you so the secret is to find out as much as you can about what your particular problem is....and you'll be amazed at how this simplifies things. You no longer have to worry about the what ifs.