Everyone can train and diet to make them more visible, but at the end of the day, they are not a measurement of fitness and health — This week, comedian and actor Kumail Nanjiani posted a shirtless photo on Instagram, revealing a new, ripped physique with visible, countable abdominal muscles. Nanjiani, in his post, explained that he decided to get jacked for his role in the Marvel movie The Eternals and credits his new look to a…