I am 19 years old, I have a problem that distrub me a lot. one day I suddenly saw some porn video, watch them, not more than 2 , that's it. I don't watch it again, that's is last day, but problem is that video or that dirty thought circulate in my mind all time, I can't concentrate in my study, and my exam is coming, please help me out how to handle it, please🙏