A captivating social media thumbnail showcasing a young, healthy

A captivating social media thumbnail showcasing a young, healthy-looking man who is nineteen years old. He is standing confidently with his arms folded, displaying an impressive muscle definition. A black chalkboard-style text indicates his weight, showing a transformation of 6 kg gained in just two months. The background is a vibrant mix of motivational colors, inspiring viewers to embrace their fitness journey.

worst quality, low quality, bad anatomy, bad hands, bad body, missing fingers, extra digit, fewer digits