I'm not boring!

I'd posted previously about my Sunday school class full of teenage boys (since the New Year I now have 1 girl as well). As I'm walking out of sacrament meeting this morning the mother of a young man in my class stopped me. She told me that her teenage son had confessed to her that he really liked his new Sunday school teacher. My jaw dropped. She said that he'd told her he liked the way I taught and that "She's not boring at all". Good, I've overcome that obstacle. Now that I'm entertaining enough to keep their attention, what on earth do I do with it?