Proton

I can't. I just can't stop thinking about it.

it's mostly practice. research shows you can't remove a thought, but you can reframe it's significance.

The best way to get over fear is to impose logic and reason in a given situation. Fear is often irrational and exaggerates what's truly there. So, cold hard logic helps you to see it for what it truly is; which is usually something much smaller than you thought or nothing at all.