…we all have that small thingie that never heals for long because we keep scratching it open, right?

(I don't even mean in a metaphorical sense. A few years ago a cat got its claw stuck somewhere in my arm, and it made a tiny thingie that would have gone away really quick… except it's become my go-to "scratch or chew when nervous" area. it's now a few millimetres in diameter of dry skin / scar tissue that is slightly elevated and very convenient for that purpose.)