Blunt Reality of Non-Monogamy

I was in bed with Alex last night, his hands exploring my body. We were both naked, our bodies slick with sweat. As I felt him enter me from behind, the sharp pain and intense pleasure made me see stars. Felt like a moment to pause and consider if this non-monogamy thing is really what I want, but then he hit that spot inside me and all thoughts flew out the window.