After the Uss Raat, he was basically putting himself in tremendous pain by running on the treadmill (I think he could have won a gold medal in the Olympics for 100m sprint😆), smashing the glass with his bare hands then literally getting beaten up into pulp by that Tyson fella
Now that he know's aarti's truth, he's inflicting wounds on himself via the hair pin..
Yash is a pain junkie..😆