Khloe Kardashian had to “retrain [her] mind” before embarking on her weight-loss journey. The 39-year-old star decided to overhaul her diet and her lifestyle years ago – but Khloe admits that it hasn’t been an easy process. During an appearance on the ‘SHE MD’ podcast, Khloe explained: “I used to be overweight a lot of my life. “God, I mean my weight-loss journey. It took years for me. I’ve always been chubby – like athletic. I’ve always played sports. I just was never in shape.” However, Khloe has managed to transform her body and her mind through a series of “lifestyle changes”. The reality …