I grew up watching horror movies and was largely detached from the fear, it never got to me outside the occasional jump scare. Sometime in my 30s that started to change, and then I also made some bad choices like watching horror movies after eating too many shrooms, which has made it worse. I still occasionally enjoy horror but mostly I find the genre unpleasantly stressful. My body in general seems to be a lot more reactive. When I was a kid I once had a chunk of glass impale my hand, which I dealt with totally calmly as blood gushed all over. Recently I cut my hand while cooking and nearly passed out and threw up. I think I am getting soft as I age.