New Delhi, Jan. 2 -- A tech professional named Hasan has sparked a fresh online conversation around fitness, discipline and artificial intelligence after sharing how he lost 27kg using ChatGPT as his personal trainer - without a gym membership or paid fitness apps.

In a post on X that has gained traction across social media, Hasan said his transformation was driven not by shortcuts but by "daily discipline" and a structured system built around carefully designed prompts. "No gym. No expensive apps. No BS," he wrote, crediting ChatGPT for helping him bring clarity and consistency to his routine.

According to Hasan, the key was treating the AI tool not as motivation, but as a framework-builder. He outlined seven prompts that helped him pl...