What color is science?

I am a freshman in college. I started earlier in the fall. I enjoy college and learning, but I don't know what I want to major in and its causing me a lot of stress. I need to narrow my focus but I am unsure how and I don't want to regret my choice. How did you choose your major? Some people seem like they know right away but not me.

I told my mom I’m trans a few days ago and she said she doesn’t think I’m trans and she even found an article about how autistic people may struggle with their gender identity. She doesn’t even know what’s going on in my mind yet she acts like she does. What do I do?

22(m), started using Tinder last year but I havent had much success n I think I need to fix my bio because I dunno what to put in it, it's pretty boring rn. My female friends tell me my photos aren't good either but they don't say why, so what do yall do to get hits on Tinder?? Help a guy out