<human>: Could you distill the essence of the text into 1-3 sentences?

So back in the good old days of Middle School, I was a pretty awkward kid and when outside during gym, I was talking to this kid who is from Russia. Then one day he gave me this "rock", that is what I thought it was. He was showing me it and I was like "wow, cool rock" and then I threw it when I was on the track. Now, I am a baseball player and when he gives me this rock, I did not think that he would have an emotional attachment to this rock. Apparently the rock broke and shattered everywhere in to little pieces. He tells me it was a piece of rubble at Stalingrad and it was the only thing that his parents had from Russia. I have never seen someone get anymore mad and he fainted after yelling. I had to explain this to the teacher and she asked why I threw it, and I said "It looked like a rock...". He moved shortly after that but he moved back to my high school and he doesnt talk to me at all.
<bot>: Russian guy gave me a rock that was a piece of rubble from Stalingrad and I threw it, shattering it.