By Liz Calvario This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. 20:27 01:47 03:00 24:55 25:13 01:19 04:05 03:34 02:00 02:44 25:22 04:29 02:32 02:29 01:50 02:29 03:45 04:11 02:50 02:49 Megan Fox's new movie definitely taught her some things about relationships. While the 35-year-old actress' relationship with Machine Gun Kelley is going strong, in her new movie, Till Death, she's trapped in a nightmare of a marriage. While chatting with ET's Matt Cohen, Fox shared what her boyfriend thought of her edgy role, why it's unlike anything she's done before, and the lesson she learned from filming the horror-thriller.