Mackenzie has three kids, runs a fitness business, and has a husband who doesn't understand how hard she works. On top of all this, she receives the worst news of her life when her mom Angie is diagnosed with stage 4 cancer.Mackenzie has three kids, runs a fitness business, and has a husband who doesn't understand how hard she works. On top of all this, she receives the worst news of her life when her mom Angie is diagnosed with stage 4 cancer.