Tori's photo shoot with an ex leads to self-doubt when he replaces her with a younger model! Lindsey gets som one-on-one training from the manager after hours! And Monica embraces the gym as her new religion -and hunky trainer Anthony Hardwood as her gyno guru! See what happens when his ex-girlfriend gets jealous and challenges Monica in the boxing ring! Let's just say there's a thin line between love and hate!