You dont have to choose, you can be both or neither if you want

I personally use the word "transmasculine" to describe myself. Im both a man and nonbinary, but it can apply to many other things as its an umbrell term. But you dont need to decide just yet, and you dont even have to label yourself, just do what feels good

Yeah, its really whatever you feel more comfortable identifying as. And honestly it's hard for anybody who isn't a cis man to relate to cis men, you also don't even need to use a label if you dont want to. Just be you! <3

Gender dysphoria can be triggered by trauma, which is why it is recommended to go through therapy for such before transitioning. That aside, it’s okay if you don’t feel like a woman. If you feel, genuinely feel, that you’re a guy, then that means you probably are one - even if you don’t relate to the cismen you know. Everyone is different, regardless of if they are of the same or different gender. The way I knew I was a transguy and not just nonbinary was simply by experimentation. I went by they/them pronouns for a while to see how that image fit me. Then I switched over to he/they to experience that. After a while I found how purely comfortable and right it felt to be perceived as a man and not anything else (hence my use of only he/him pronouns). Even though they/them pronouns don’t alarm dysphoria with me, I just feel right as a man. In conclusion, test things out and figure out what makes you more comfortable being perceived as. There isn’t some criteria you need to fit to be either nonbinary or a man- just be the most authentic version of you.

Transmasculine is a good vague word for it, you don't have to relate to cis men to be a man. You don't even have to relate heavily to other trans men as long as you feel like you're a man, even if you feel your experiences are different. As for the high blood pressure, if it's due to an increase in red blood cells donating blood can be a helpful method of controlling it, if that's something you can do.