You don't have to eat like a saint to be healthy...I love eating junk food lol
But it is all about finding a balance. If you are gaining weight that usually means you are consuming more calories than your body needs.
A simple rule about losing weight, eat less and exercise more. Basically if you are taking in less calories than you are burning, you will drop weight.
Managing a healthy diet can be a real pain in the ass, lets be real here. who here has all the time to plan all their meals out properly into nice containers and all the rest?!
If you can great and more power to you, but for me: