I started off doing every 3 months or so. But yeh I try do a 4 day fast one a month now. I find it to be great way to give my body a break from eating, keeps me lean and just a spiritual discipline as well.

But on the days I do eat I make sure to get plenty of food and that I am satiated. I have no complaints am in best shape of my life. I am just trying to gain muscle mass now.