I can understand abstaining from it too often as in conjunction with porn it can be a bit of an addiction but I roll my eyes at the No-fap types who talk about abstaining for months or even longer as though it'll turn you into some kind of superman. Without any form of release you're driving yourself mad, I don't care who you are.
I have gone a week without but that's usually because I'm so overworked or travelling. Besides shooting a load it's just an effective stress reliever and post nut clarity is invaluable when dealing with women at times.