Might as well write on my tombstone: "Loving mom had sex with two different men in one weekend. Devoted her life to worrying about it." Having wild sex with multiple partners after separation isn't a pair of shoes most have walked in, and promiscuity is contentious; it could be hot and juicy, yet still trigger judgement, even moral outrage.
A D/s relationship, in its truest form, is all about her wants, her fantasies. Some of her desires may be conscious, but others may be locked in her subconscious. The Dom's job is to build a bond so strong with her that she feels safe enough to unleash her creativity and explore her innermost self.