On this Tuesday’s episode of Total Divas, Nikki Bella starts rehabbing her back with help from John Cena.

However, Nikki gets a rude awakening when she trains with John, learning that she’ll have to make significant changes to achieve the body she wants. Her commitment is called in to question as well, Cena stealing her phone in an effort to make her focus on her training.

Watch the clip below:

Total Divas airs Tuesdays at 9pm ET/PT on E!.

Synopsis for episode 9, “Rocky Road to Recovery”: “Nikki commits the cardinal sin of mixing business with pleasure when she enlists John to be her rehab coach; Rosa grows suspicious when Bobby jets off to Vegas without her; and Nattie struggles to wrangle her family together for a portrait.”