How to escape internalized transphobia?

I’ve been thinking for a bit that I might be a trans guy, but I have been struggling with exploring it or making any progress towards coming out because I have so much internalized transphobia.

It feels like I shouldn’t have this problem, because I have trans friends, and exist within a lot of very pro-LGBT+ spaces. But I see everything that’s happening in the world, and it gets to me. I keep feeling like it’s ridiculous for me to think I’m a man, like it’s so silly and embarrassing, because I was born a woman and I can’t change that.

That is NOT what I believe! I support trans people 1,000%. I have a minor in LGBT Studies, and I know all about gender being a social construct and everything. I’ve long believed that gender is how we communicate what’s in our hearts, using our cultural traditions. I know that even sex (as in organs and stuff) is not the straightforward thing some people treat it as.

And yet, when I question my own gender, I have this voice in my head telling me I’m delusional. I just think about everything I hear politicians say, and random internet trolls.

Does anyone have any practical advice?