I couldn't help myself as my mouth opened, tongue probing for entrance as Severus began to respond, only to pull back and pant slightly. "Cis- Hermione." His voice held restrained passion and desire, and it surprised me to realize that he held this much emotion behind his stoicism. I realized that Severus wasn't in love with me, that the kiss held his life-long almost-familial affection for my wife, and that if Narcissa were heterosexual at all, she would have returned his feelings wholly.