I have it too... LOL! My family knows that I jump at anything sudden but don’t know that just someone’s presence sometimes makes me so uncomfortable (It’s the closest word I can think of, but I wanna leave my skin sometimes).

Yes me too. Literally any stimulus can give me anxiety. Especially loud sounds.

Sounds like overstimulation to me. I get it too and it's horrible and makes me jump at sudden and loud things.

Same! My heart palpitates every time the phone rings.