Nutrition is the biggest thing

Once you start thinking like a thin person, what next? According to Corey Ritter, the one thing that holds the key to a better life is nutrition. He says: “If you learn anything from me at all, I want it to be this one thing: That you understand that nutrituion plays the biggest role when it comes to changing your body and the way that you feel. It’s not cardio. It’s not resistance training, it’s nutrition. Whether you are trying to lose body fat or gain muscle or both, nutrition plays the biggest role. And today I am going to share with you the seven most effective habits when it comes to eating properly.”

Here’s the video:

Now the question: is what he saying true?