I believe 110% that actions and feelings are all in your head. (At least for me) Famously, I'll ask, what does that mean? The second I tell myself something, my mind believes it and exploits that thought. If for a second I feel a stomach pain and tell myself I don't feel good, I make the decision to go with it or get over it. From that point, it's all in my head. I think that train of thought confuses me when I'm actually injured. I've broken numerous bones and had several injuries yet every time it comes down to differentiating actual pain from thoughts.
Am I confusing you yet?
What else is "all in my head"? I often assume things that people think about me. Hence my self consciousness. If I see someone look at my forehead I start thinking they noticed my large forehead.
My insecurities are my biggest flaw. I wish I could not care what people think for a second. It's all in my head for making myself think I'm not pretty, skinny, smart enough for whoever I'm trying to impress. Usually just myself.
I wonder sometimes how my thoughts became me. Why do I think how do instead of how I want. Why am I the person I am and not always the person I want to be? Why do people say things they don't mean? Is there really truth to every lie?
I need to go to church more. Then I'd find answers.