When people think of BDSM they will most commonly think of S and M. People might be inclined to label this the most extreme of the three – however there are lighter versions and more extreme versions of each of the three facets of BDSM. Sadism and masochism also experience this lightness and darkness that the other two facets have. Extreme acts in submission and dominance might see one partner have total control of the other, and in bondage and discipline there might be a partner who can be restrained for days and not have release. This might be in the form of restraints, or even in prolonged orgasm denial from chastity devices. There are extremes in all three facets. Though people might have the most trouble with S & M because they cannot link the idea between pleasure and pain, and there are people that cannot understand how there can be a link between the two concepts. Truth be told there is actually a strong link between pain, pleasure and passion in relationships.