The inspirational post comes days ahead of the premiere of Revenge Body With Khloe Kardashian
, airing Thursday, Jan. 12, which shows the Kardashian sister helping others get into shape. "If you've lost your motivation don't beat yourself up about it, negative thoughts only turn into negative realities. By keeping positive about your body, your inner health, your mental sanity, your fitness and what you're trying to achieve, you're way more likely to succeed," she concluded her post. "My fitness journey was for myself and myself alone. On my terms and on my timeline! Cheers to us becoming better than we were yesterday! #RevengeBody."