Originally Posted by
EternalQ 
Tell yourself the truth. Dont lie to yourself.
If you're tempted, then go look in a mirror, and say all the bs reasons you've been saying to yourself in your head.
Except this time say them out loud, to your face.
Then ask yourself: Do I believe this?
Along similar lines, I would say: Write down what you are thinking. Then read over it and see if you really agree with it.
Writing about stuff helps me a lot.