Why does it feel so good to scratch?!?

Leah

My poor stomach is so beat up from being stretched, it’s all covered with stretch marks and the bottom part is so stretched the skin is almost hard. I’ve been moisturizing like crazy which has helped soften it up, but why does it feel so good to scratch?!?!? My husband laughs because I’ll make sounds like I’m self pleasuring, it just feels so good! But I know scratching is bad.