Do you know where your beliefs came from?

The more aware I’m becoming of what I and everyone around me believes, the more I’m realizing that less and less of what I think and believe actually came from me.
Most of it is from what my parents drilled into me when I was very little. The rest of it is mostly what everyone else was able to squeeze in.

There’s barely even a handful that I can truly call mine, and me. And part of me is scared that I’m just deluding myself thinking that that’s what’s me.

Beliefs are tricky in that they’re very very hard to change. Even if I want to believe something else, even if I think something else is more true or fits me better, I can’t help but feel like I’m fooling myself.—Or maybe it’s feel like it’s more true, but think I’m fooling myself? I don’t even know.—All the beliefs I’ve been taught feel so real that it’s like they’re guests that have over-done their stay inside my mind, but I can’t shoo them.

Things like what happens after death, how you should live your life, pursue passions, make a living. None of what I believe is coming from me or what I want. But it’s there.

Half the problem for me, I guess, is I’m still trying to sort through what’s me and what’s not. But even when I know something’s not me, I can’t get it go leave. And even when I know something is me, I can’t bring it out if it would counter a force-fed belief.

Do you have the same problem? Thoughts and beliefs that originated in others who felt the need to put them into your mind? What do you do with them now? How do you feel about them? Do they constrict you, or do you find yourself congruent with them?
Or why don’t you have them?

What is yours and what isn’t?
Or are you fully you?