Stories about secret romances are first kisses. Science writer Sheril Kirshenbaum gives us some insight into what makes a first kiss good. Then, a tragic Parisian love story lives mostly in the porte cochere, and secret three way makeout sessions create drama at boarding school. Last, we talk Sally Rooney with Mark O’Halloran, the writer of episodes 2, 3, and 9. Sheril Kirshenbaum’s book, The Science of Kissing https://www.grandcentralpublishing.com/titles/sheril-kirshenbaum/the-science-of-kissing/9780446575133/
