We could go back and forth for years about this since your beliefs are based on faith and mine are based on proven effectiveness. You have faith in a system that sometimes seems to work for you and when it doesn't you adapt your thinking to say, this is obviously good for me and that's why I'm attracting it. I would rather make my list of goals based on my values and principles and attain them in an inspired (by a more complete visualization method) in an action-based system where I am in control..
Whenever you think or do anything that causes you to feel even the slightest bit better than how you were feeling a moment ago, you will cancel out whatever negative energy you were generating before. Every moment is a new beginning and you can use it to create reality afresh and anew with full power always. When you think of something that you do not like, then in that moment think of something else that you are happy about to neutralize the negativity and turn it into positivity.

How To Manifest A Spirit

You claim that "positive thoughts always resulting in positive things" is not the basis of the LOA. In part you are correct. The foundational basis in science, as I alluded to in the article was that thought stuff particles travel through ether (not air) and interact with formless stuff to create whatever it is that you are thinking about. This was how "the law" started.

How To Manifest What I Desire