That’s the problem with putting others first; you’ve taught them you come second.
People are dying from over thinking. They fill their brains with harsh thoughts and it brings the body down too. Chances are no one thinks as bad about you than you.
Feeling unsure and lost is part of your path. Don’t avoid it. See what those feelings are showing you and use it. Take a breath. You’ll be okay. Even if you don’t feel okay all the time.