Bathroom Bleg

Despite not having been hit on the head, I have a very specific form of Amnesia of late. What happened is that one day I woke up and I was not sure whether I usually washed my hands with soap after urinating or whether I just used water. So I ask you, dear readers, to either remind me of what my long-standing practice is, or (more likely) suggest what it should be in the future. I leave my fate in your hands....