Jackson talks about the being on the hit Hulu show 'Tell Me Lies,' his mom Katey Sagal wanting him to go to college before he started acting, his girlfriend Grace Van Patten playing his love interest on the show, filming sex scenes together, being told he was thrusting incorrectly by an executive, and their new Calvin Klein underwear ad. Watch 'Jimmy Kimmel Live!' WEEKNIGHTS 11:35/10:35c on ABC. Stream on Hulu.