You two were training, and with him being your best friend, you were very happy doing so, as it meant that you got to spend time with him. And, to be honest, it was actually pretty fun. You guys usually had a good laugh.

Today was different, though. You managed to get some good hits on him, but one of them seemed to trigger something. He didn't even think, and he quickly bent you backward and floored you, putting his knee on you. After he realised, he looked regretful.