India, Jan. 6 -- If your weight loss journey feels more like a prison sentence than a lifestyle change, you might be doing it wrong. That is the message from nutritionist and fitness coach Natalie Castellan, who took to Instagram to debunk the 'no pain, no gain' myth surrounding fat loss. Also read | Fitness coach shares simple cheat sheet to burn fat without hitting the gym

In a post shared on January 4, she shared that a successful calorie deficit should feel sustainable, not punishing. "If fat loss feels like punishment, it's usually not a discipline issue. It's just the setup isn't built to last for you," Natalie said. To help dieters distinguish between a dangerous crash diet and a healthy plan, she outlined 10 signs that your defic...