 Any living thing that glows has a substance inside it whose energy is increased because of a chemical reaction. Then when it's returned to its original level, the substance inside the insect gets rid of the added energy and does it as light. It gives off light. It makes the males and females find each other. I'm sorry. I interrupted you. Mm-hmm. Can I kiss you again? You mean right now? Yeah, I mean, are you finished?