My Secret Flirtation with a Student Brought Me to My Knees

I've been in this relationship for five years now. My partner and I are happy together, until I started teaching at the university where he teaches, too. The shift from a life of stability and mutual support to one of excitement and uncertainty began when I noticed her, Ella, my student. She was a few years younger than me but held an innocence and curiosity that drew me in like a moth to flame. It all started innocently enough; small talk about our shared interest in literature turned into more frequent conversations over coffee breaks. The thrill of knowing she looked forward to seeing me each week ignited something within me, a spark that hadn't been present since before we met my current partner. I knew it was wrong, but the allure was too strong. Then one day after class, Ella slipped a note in my mailbox asking if I'd like to meet for coffee on her off-campus apartment balcony, the very same evening as our department's gala. The temptation was overwhelming; here she was offering me an escape from the dullness of routine and academia, even if only momentarily. Without much thought, I agreed. That night, instead of attending my partner’s event, I found myself climbing up to her apartment under the veil of darkness. Our conversation quickly turned intimate as we explored each other's minds through stolen glances and shared smiles. When she whispered a question about going further, something inside me snapped. Here was someone who understood me, knew exactly how to press all my buttons. I didn't go back on our agreement or tell him until later that night. I felt awful, sick even, but also exhilarated, like I'd stepped into forbidden territory and found a new world of sensations. My partner hasn’t asked much about it since; we've skirted around the issue with vague answers. Now here's the confession: We've had our moments since then, times where he catches me watching her in class, my eyes drifting from his face to hers during department meetings. Each time I feel a flush rise on my cheeks and know I'm caught somewhere between two worlds, one safe but monotonous and another filled with excitement but forbidden. This secret, this little piece of myself that isn't fully his or mine, keeps me awake at night sometimes thinking about what it means for us. But more often than not, the thrill of knowing she's there pushes any lingering guilt away into a corner I rarely visit.