Penn Badgley and Joe Goldberg take turns reading extremely complimentary tweets to each other…because serial killers need love, too, right? From reading fan tweets about Netflix's "You" to bonding over Cardi B's "WAP," can Penn get Joe to crack a smile?Part 1 of You Season 4 releases February 9 on Netflix; Part 2 of You Season 4 releases March 9 on Netflix