What would you guess? Were we born with these aids to use? Where should we stop on using aids or other stimuli in the name of pleasure seeking, what about visual aids and adult content secular stuff??? I am only guessing here, but the intent of the creator is for sanctity in marriage and bonding with love and devotion. Someone else can try to define this I am really not the one and do not wish to be the judge either, but my guess is kind of extractable from what is herein.