All right, before you guys start all about veganism and why you are never stopping eating meat and stuff like that, please read this first. I am not vegan, at least not 100%, but for a while, I have had a hard time keeping my weight as I wanted, in fact, I actually gained 10 pounds in a three month period out of nothing, or so I believed, the truth was that the fact that I was eating meat did not make me gain weight, but the meats and animal products I have chosen help me to gain weight consistently. When I was heavier I made a few mistakes, the first one was that I was eating all kinds of meat and animal products, without taking in consideration that meat is composed of two major nutrients, protein and fat, everything looks alright so far but the problem is some types of fat can actually kill you like saturated fats, some studies even show that saturated fats decrease muscle mass and create more fat instead. The second mistake is that I was eating the cheap meat that yo