I don't think I've gone more than a day without knocking out at least one or two, or even three or more loads since I was old enough to do so.
So I could never "save up", as much as I like the idea, I'm a right wanker and just can't stop. But I do try to leave myself alone for a few hours before seeing a WG. Only once when seeing a WG could I not get it up, let alone cum, I blame her though as it was a B & S and she was not pleasant at all. But other than that I have always managed to get it up without much difficulty and give the lady at least one decent load, if not two or three.
Part of the experience for me in seeking out a WG I find attractive is wanking in anticipation of meeting her, meeting her and then shagging her, going home and then wanking thinking about how hot and sexy she was. If it's not like that, then she probably wasn't all that great and I likely didn't have a great experience to be honest.