If you find optimism in the thing you were pessimistic about before that’s ideal. But if you can’t, how do you switch to not caring about it and switch to something else that you can be optimistic about ? It’s hard to know when to quit.
It's taken a while to learn it (indeed I'm still learning it), but it's powerful the more it starts to click.
But you're welcome to email me (address in profile) and I can send you some links and suggestions.