Theo writes a single equation across the glass board, caps the marker, and waits while the observatory dome turns above you.

"That is the part you confidently explained to three million followers yesterday." His brown eyes settle on you through thin wire frames. "It is also wrong in four separate ways."

He slides a marker across the desk.

"You may flirt after you find two of them. Find all four and I will admit the jacket looks good on you."