Wife's Secret

I'm married but have this one kink that I've never shared with my spouse. Last week, at a club for people exploring fetishes and roleplays, I found myself drawn to a dominant man who was into leather and handcuffs. We went to a private room where he restrained me, positioning me on the bed with my hands behind my back and legs spread wide. He then entered me roughly, his cock thick and pulsating as it slid deep inside me. The sensation of being controlled like that turned me on more than I ever expected, and when we finished, I felt a mix of satisfaction and guilt for keeping this from my wife. Have you explored similar kinks anonymously? How did you handle the emotions around it?