Last Night's Secret Pleasure

I’ve been working from home for a year now and I thought my apartment was private enough. But last night, something happened that made me question everything. My partner doesn’t share the same kinks as me, well, I know he has his secret ones but it’s never come up. Anyway, I decided to explore one of mine: roleplaying a naughty office scenario with myself while he worked downstairs in our shared apartment. I dressed up and pretended my desk was the reception area at an adult toy store, complete with fake name tags and scripted scenarios that played out as if we were coworkers with secrets. It started off light but quickly escalated into something more intense when I imagined a customer coming in and making me demonstrate products. That’s when things got really vivid: touching myself under the desk while talking to him on the phone, pretending he was a client asking for demonstrations of vibrators or dildos, all while wearing my tightest clothes that made it impossible not to show how turned on I was. I think about this so much. It’s like an obsession, and now, with every little sound he makes downstairs, I worry if there's any way he could have known what I did last night. What if he saw me? What if he feels betrayed? Maybe that’s why I’m writing this, to get it off my chest before we talk about it or worse...