My favorite lines:

I can feel his balls, tight and full, pressing hard at the skin just behind my own, and the added pressure, now from outside and inside, makes me feel the fuck everywhere. In my ass, in my balls and cock, and in a place so deep inside that only Brian's ever touched.

and

I don't know how long I float at the edge of consciousness, fragmented and ungrounded. But the soft feel of Brian's breath on my skin and the warm weight of his body against mine eventually reconnect me with myself.

I wish you'd write more often and not just for the challenges, because you're a truly gifted writer, Ellen. That is all. :)