And thinking positive won't make life any easier.
Fallacious thinking won't help anyone, as your opinion that's fine and dandy but you didn't express it as your opinion, you posted it under Health.
You've made numerous statements and have not sourced or explained how and why the assertions you made are true.
but yes in certain situations it helps to have a positive outlook than to think negatively.
I very much doubt that you can demonstrate that, and it will remain another one of your opinions.