kasto kasto lai petition halnna paucha?

When I was walking in the costco, two nepalese guys were talking and discussing abt sex during college days, they were sharing news abt a sex with 13 yr old child who is a dish washer in some college in patan, he used to have sex in football ground, it was kinda awkward for me when i heard that as colleges in patan doesnt allow girls in hostel, so he has sex with her everynight in football ground

i dont really care abt that but due to some kinda feeling, shold i do?