Ever since I stumbled onto Literotica years ago, that's always been my first stop for this specific itch. The 'Loving Wives' category is packed with exactly what you're describing—stories where the emotional connection is as crucial as the physical tension. You have to sift a bit because quality varies wildly, but authors like 'LongRifle' or 'Irishman' consistently deliver narratives where the seduction feels earned, not just transactional. Their characters grapple with real hesitations and vulnerabilities, making the eventual intimacy genuinely moving.
Archive of Our Own might seem an unlikely source, but filtering for the 'Married Couple' tag in the Original Work category can yield some astonishingly well-written pieces. The tagging system is a double-edged sword; it's thorough but can lead you down rabbit holes. Still, I've found a few gems where the prose focuses on the quiet, aching build-up of rediscovering passion after years of routine, which hits harder than any bluntly explicit scene.
Audiobook platforms are trickier. Most mainstream romance audiobooks focus on the courtship phase. For the married dynamic, I've had better luck with indie narrators on platforms like Patreon or Quinn, who perform serialized fiction. The performance adds a layer of intimacy that plain text sometimes lacks, making those heartfelt confessions resonate more deeply in your ears than in your head.