When I was in highschool, they were called sex cuts.
When I got to college they changed it to adonis lines.
Now that I'm working, I can say they were both wrong and they are in fact called cum gutters.
This is why gratitude is so important. Everything u once wanted, u now have. Be it ur phone or relationship. We tend to forget our power and obsess over our new desires when the proof is in our face. Like hey i once wanted this strongly and i have it, so this is simple to get too