Another example of dehydrating for shirtless shots - Henry Cavill talks about doing just that for The Witcher in an interview on the Graham Norton Show.
you dont need a nutritionist, and a personal trainer, and to treat it like a full time jobs and get paid for it to look good.
you need to clean up your diet and do resistance training at least 3 times a week for an hour, and be consistent.
yes you are correct, our genes are what determines weight in realtion to the foods you eat. it affects your bodies ability to metabolise those foods , etc
but most of the foods you eat, over 90% of what is available in walmart for instance, is industrial manufactured trash that no human except perhaps escaped roswell experiemnts and MBAs can metabolise correctly
this is compounded by modern trash propaganda telling people not to eat meat, to replace meat with synthetic mineral oils and watered down oats for $500 a litre
They absolutely did, from about the 1870's onward. Read about Harvey Washington Wiley. Modern food isn't a paragon of health, but for most non-rural people in the US, it was quite a bit worse from the 1870's to the 1910's.
[1]https://en.wikipedia.org/wiki/Harvey_Washington_Wiley
[2]https://www.pbs.org/wgbh/americanexperience/features/poison-...
From that last one, they talk about a lot of honey simply being flavored corn syrup. There was swill milk. They put all sorts of weird conservatives into food before Wiley's Poison Squad determined what was safe.
It takes a lot more than that. A good diet and moderate exercise will keep you in a slim/lean shape, but it won't get you Hollywood ripped.
Actually having a muscular looking physic requires aggressive training, or naturally doing activity which requires lots of muscles (Dancing, climbing, acrobatics, sports).
Step 7 here is likely counterintuitive for most - to look big and shredded you typically want to carb-load right before the camera comes out: https://www.bodybuilding.com/content/7-scientific-steps-to-c...