This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
I think it’s related to scars from cutting yourself. You can get addicted to that. The joke being that the partner confuses the two types of scars
That was my take away. It was funny that way. But if you extrapolated from other interpretations, it’s kinda sad or kinda fascist. I prefer the funny.