It seems if I have not had it in 48 hours, it does very much affect my mood.
My husband will usually squelch my snarky attitude with a whispered, "Do you need a good dicking?" And 9 times out of 10, that is exactly what I require. Turn about is fair-play though. He gets just as bitchy as I do, if it has been 36-48 hours since the last time. Daily sex, every 12 hours or so, keeps the snarly attitudes at bay.