Im 31 year old male, weight 40 kg around, I am look like kids, my waist around 28, I eat proper, and nutrition foods, I don't gain weight, I don't have full face beard, my muscle so lean and weak, I don't feel energy, all time tired, my body so weak, I don't digest proper food, I don't clean colon at morning, I face that problem last 8-9 year, I want be strong guy and good body, and be energetic. So what should I do?