Accidentally stopping the engine is no shame. Whatever anybody thinks. Focus on not making collisions. You can always just start the engine again. Nothing bad happened. Collisions are the real headache and what is important.

Stupidity. And being uninformed.

Don’t know about diagnosing but a safe red flag for a relationship that is not good for you and has factors that often occur with narcissists is when you think about their feelings way more than you objectively should while neglecting your own. Especially if you are not in love or something like with your boss.