I've tried doing this too. It helped some. I think you can buy special tatoo markers that can be used safely on the body. Don't know how permanent they are.
Just an idea.
Take care, everyone, and stay safe!
__________________
complic8d"Don't say I'm out of touch
with this rampant chaos-your reality
I know well what lies beyond my secret refuge
The nightmare I built my own world to escape."
♥evanescence♥