My neighbour made me feel like shit.

This couple moved into my neighborhood 4 years ago. Both of them work in the office. They have two kids, whom they leave at home and ask us and other people to take care of. And we would do that. 4 days ago his son (8 years old now) came to me and said, "Bhaiya, mere sath catch catch kheliyega?. I said ok, and we were playing, and from then on he would ask me daily to play with him, and I played. Today his father was at home and he again came and asked me to play with him and I said ok . We played for 10 minutes, then I had some work, so I left, and when I returned, I was at my door, and then that kid came to me and said, "Bhaiya ek baat bolenge bura nahi na manenge." I said, "Nahi manunga bolo.". He said, "Mere papa bole aapke sath nahi khelne aur agar khelte hue dekh liye to bahut marenge," and now I feel like shit. I don't know why his father said that. But it made my heart shatter.