You sometimes feel like you just dropped 20 feet when you sleep, and then get really strange dreams. In spite of how you may sometimes feel, things will start getting better for you. That's amazing, this is me 2. Still good, but missed on a few 3. The burden of proof should fall on the claimant.
Extraordinary claims deserve extraordinary proof.
Avoid a priori reasoning. Maintain the elusive open mind -be fair with out wrongly getting sucked in 4. Avoid ad hominems or nasty attacks just for the sake of bursting someone's bubble. Always be ready to change your position if offered incontrovertible proof. I think current evidence for UFO's I've seen is invalid - but I see some chance there could be some.