[A brief look of surprise crosses his face. What... teach?!] Oh, uh...
[A little sheepish.] I haven't really taught hand to hand combat before, um... I'm not prepared for today -- how about in a few days' time? I can put notes together and see where we can start? Besides, you'd need to rest your body after physical activities...
[Strange indeed...] Headaches? Maybe he gets tired easily, or he has a heart condition.