According to curious cuties at the Liberty Science Center

“Say, ‘I’d like to have a chemical reaction with you.’ ” — Jean

“Ask, ‘Want to study each other’s anatomy?’ ” — Christine

“Use the line, ‘You want to try an experiment … in my bedroom?’ ” — Jack

“Try, ‘If you were on the periodic table, you’d be a rare element.’ ” — Ashish

“Say, ‘I wish I were an astrophysicist so I could study your heavenly body all day.’ ” — Brady

*Honorable mention:

“Go with, ‘If I were Einstein, I would have invented you.’ ” — Melissa