Every week! What can I say? It's the duty of a scientist to understand.

[ secretly lu bixing really enjoys this part of every week. it's not a secret. everyone knows this. he is a giant nerd.

he pats the seat beside him. ]

Want to join me? I can offer compensation in the form of sated curiosity... or a cookie, or I can cook you something later this week. Or a gold star sticker, since those seem to be in pretty high demand.