Depending solely on �naked people movies� will bring issues with using your imagination. I think what is smartest is to minimize the use and keep it in check content wise. We have the tendency to always want something stronger and this is where a good thing goes bad. We can see it in alcohol use as a good example. There is absolutely nothing wrong with enjoying a glass of wine and this can be enjoyed every day but the second your mind starts reaching for something stronger or more intense is when we loose the privilege of a simple pleasure. Moderation in all things, food, sex, alcohol, all things. Discipline is what will hold pleasures in their proper place and allow us to infinitely enjoy them. Taste and dabble, never over indulge!