Of course it varies according to the weather, on what you've recently eaten (the French don't call dandelions "
pissenlits" for nothing! - but there are other, more commonly eaten, foods with diuretic properties
). And your mental state: significant anxiety or emotional upset can make you need to go more often.
For example, we were out for about six hours on Sunday, on a walk. I didn't need to go once, nor did my wife. But on other occasions...