Will Winston hosts Katherine Bull on the Primal Journey podcast, highlighting her transformation from a 38-year-old mom of two to a professional bodybuilder at 39. Katherine, a nurse and medical device salesperson, balances her intense schedule with personal development and training. She credits her coach, Sarah, for guiding her through a year-long bodybuilding journey, emphasizing mindset and discipline. Katherine's diet includes high protein, low fat, and controlled carbs, aiming for 200 grams of protein daily. She meal preps on Sundays and maintains a rigorous training schedule. Katherine's journey underscores the importance of self-care, resilience, and setting ambitious goals.