Crazy laughs in the classroom

I walked into my third class today and straight away burst out laughing. I was in stitches for a long time just looking at one of my favourite students. He was wearing a cap/balaclava. He looked like a terrorist. I joked about the gun he should have. He then pulled out a replica luger. It may not sound funny but it was priceless. Perfect comic timing. I couldn't resist taking a few snaps before trying on his hat. And then class rolled on. Some Korean kids have an, at times, unhealthy obsession with guns. This I let slide because it was a joke that was poking no fun at anyone. And it was pretty funny at the time.