Rich is a clown. I'm going to go over there first thing tomorrow and punch him in the mouth!
I'm just kidding, I don't know Rich, but I'm confident that you shouldn't listen to him.
Also, while they're growing, they'll eat more often. When I first got my corn, I fed him every week for a long time, I want to say almost a year. After that it was about every 2 weeks to a month. One time he went into hibernation and didn't eat for about 6 months.