"We all know the friend who eats what they want and is thin" - No, we don't. You can turn fat pretty much any person who is not suffering from serious metabolic

"We all know the friend who eats what they want and is thin" - No, we don't. You can turn fat pretty much any person who is not suffering from serious metabolic disorders. If you think you've found an outlier who can eat, pick a random number here.. 6000 calories every day and still stay thin then you've probably found a genetic freak. Certainly such a person should be examined to see what genetic variations allow them to do that.