( SPOILERS) Undertale, Sans fight What Sans says after killing him a fourth time Genocide run

This is actually my third Genocide Run, so I decided Hey Why not be a huuuuuge dork and just show off how easy Sans is to you So yeah, this was my first try in my third Genocide run. After that I decided to kill him two times more, and he just said You are kind of a freak, aren t you I was suprised when I also noticed that his dialogue changed at the Let s end fightin scene. He says that when you kill him 3 or 4 times in a row, I Sorry for me sucking alot by the way.