My Secret Dirty Desire With My Partner in the Gym Locker Room

I've been with Sarah for five years now. We're both in our early thirties and we run a tight ship when it comes to everything but sex. Well, let me take that back, Sarah has always been more adventurous than I am, but she's patient with me. Or at least she was until last week. We've been living the same routine for months: work out in the morning together and head straight home. The gym locker room has become our little sanctuary where we can talk about everything except sex. Lately, though, Sarah started hinting more and more that maybe it's time to shake things up a bit. Last Wednesday, she walked into the locker room after her shower looking like an angel with those fluffy towels wrapped around her body in just the right way. The steam was thick, making everything feel dreamy yet real all at once. I was changing when Sarah came over and whispered something in my ear that made my heart race. She said, 'Today’s different.' I followed her lead without a second thought, knowing we both needed something new to spice things up. We were alone in the room, no other eyes or ears around us except our own, which added just enough risk and thrill for me to dive right into it. Sarah pulled me close against her warm skin as she wrapped those towels tighter around my neck, guiding me towards a bench where we could be more intimate. Our hands moved quickly but surely; no hesitation whatsoever between us as the towel fell away. I leaned down and kissed Sarah deeply, exploring every inch of that sweet mouth with my tongue before moving to her throat, her collarbone, lower still until she was moaning softly into the steam. She spread her legs wide for me then, guiding my hands inside where we both knew I’d find her wet and ready. I pressed myself against her body as her fingers slipped between us; it didn’t take long before she was grinding herself hard against my hand. My free hand snaked up to cup one of her pert breasts, teasing the tight nipple with a thumb while she arched into me. As we moved together, breathing heavily and skin slick from sweat, I felt Sarah guiding me down lower until our bodies were perfectly aligned. She pulled back slightly then, looking deep into my eyes as if confirming something crucial between us before slowly pressing her way forward again, taking us both to the edge with a breathless cry. We lay there for long minutes after that moment of pure release, hearts pounding and limbs still entangled in sweaty pleasure. I’m worried this might seem too extreme. Am I crossing some kind of line? Or was it just what we needed at exactly the right time?