But unlike sex you shouldn't change positions just for fun and novelty.

It would be more accurate to say that you should critically look over the evidence again if your position feels wrong. A belief can be justified by logic and still be at odds with intuition, making it still feel wrong. Example: There are compelling arguments that simulation hypothesis is at least somewhat likely to be correct. However, my intuition tells me that the simulation hypothesis is just plain false. I know that this is a subject that my intuition is poorly suited for, so I follow the logic and estimate a non-negligible chance of being in a simulation, despite it feeling wrong.