fades on sight
You and someone else are so mad at each other that the second you see them, you jump into a fight like it’s the only thing that makes sense.
We had a whole history of hate. When I saw her, I just had to punch her in the face.
He was my arch-nemesis. I saw him, and I felt like I had to kill him.
We didn’t even talk. I saw him, and I threw a punch like it was my job.