<human>: Ok, so I teach English in Japan, and I don't really speak Japanese. I get by, but communication with my students can be difficult. Today, I asked a student to answer a question. He was all shy and mumbling things I couldn't hear. He didn't want to answer and he said he didn't know. He looked a bit embarrassed. Honestly, a lot of Japanese students act that way, and I think they need to get over it. Plus he's a good student and he's usually happy to answer, so I made him stand up and answer anyway. (It's customary for students here to stand up to answer.) His face became bright red and his posture was strange. That's when I realized he had a very visible boner! The problem is all the other students noticed too.  
I feel absolutely horrible. He's one of my favorite students (yes, I have favorites, deal with it!) He always talks to me during lunch or when I see him in hallway. I'm afraid he won't anymore. I want to apologize but I think mentioning anything would make it worse. I'm not really sure what to do.

Can you summarize the given text in a few sentences?
<bot>: I unintentionally humiliated my student by making him stand up while he had a boner. The whole class noticed. I feel like a jerkass douchebag.