Don't worry about it, Jonathan. Two extremes: Some days I have exposed over 40 8x10-inch negatives (all different pictures); late last year I exposed only about 24 negatives in two weeks. Why the difference? Mainly the light, I think--sometimes it is just not right. But whatever the reason, there it was. I do not recommend exposing negatives just for the sake of doing "something." The photographs are not the point anyhow, when out with your camera, is to have a deep and genuine experience. Consider the photographs to be a bonus. The photographs will come of their own accord when they are ready. No need to rush them.

On the other hand, if you are very new to LF, you do want to make enough exposures so that you are confident you know what you are doing.