I take a shower everytime I have to put on shoes. I have a very poor sense of smell, so not showering doesn't bother me that much. I do pretty much nothing physical 90% of the day, so showering simply isn't that necessary.
When I was young, I would skip the bath, wash hands and feet, and just wet the towel. This in itself is probably a result of a cleanliness-required mentality: Jumping in a bath after 6 of your siblings has been in it doesn't leave particularly clean water, and I had a phobia about germs. Dirt itself isn't full of germs, really. If I had the bath first, then no problems.