Will pressing a key on the keyboard continuously for a very long time to play a game like Roblox affect/hurt myselfdamage my nervous system?

I'm quite a paranoid person recently, more specifically health paranoia. I have been easily getting non-stop worried that certain actions (including turning head fast, scratching, rubbing, hit something, etc.) will affect/hurt myself/harm or cause permanent damage to my nervous system/brain and make me feel not so good/differently forever for the rest of my life. I haven't play Roblox for many months. So, now I think since I had become so paranoid, I can't even play games like Roblox anymore for the rest of my life, which is so disappointing. I think if I play it, my brain will immediately be paranoid that pressing the WASD keys to move the character in Roblox/Minecraft continuously is hurting myself or damaging my finger and changes the muscle/permanently stuck or something like that. What are your advices? I'm not sure if any of you can successfully convince my brain that it's fine though since it's very paranoid. I even tried to tell myself, I played it last time and millions of people play it and they are fine, but my brain won't listen.

Creative ways to grief friend in Minecraft?

My friend killed my dogs when I was sleeping and I want to get back at him. I don't want to grief him with fire lava or tnt since thats no fun I was thinking of boxing his house in with glass and filling it with water and leaveing him a single sponge and furnace to drain it out. Do you know any other creative ways to grief him but not to much so he has to repair it?