Over the last 12 years my kinks have continued to develop and within the last 3-4 years I have experimented on and off with chastity. It has been in a solo capacity as relationships never seemed to go down that path. I am however looking forward to the coming weeks as I have recently confessed this kink to one of my closest friends whom I work with. Her and I have known each other for 5 years now and I have been open with her about several of my fetishes but this one I have always kept to myself. She herself is not very sexually experienced as she has been with her current partner for a long time and have two kids. She confides in me that her love life is lacking a spark, not due to attraction but rather to adventure which has led to her living vicariously through my experiences. Upon confessing this to her, it prompted several obvious questions from her, mostly around why I wear it and how did it felt. She jokingly asked if she could hold the key for a day, immediately I could feel my cage tighten as I got erect, but she was only joking about it. The next day I began texting her, as I couldn’t get the thought of her holding the key out of my head. Her and I have flirted a lot over the years talking about what we would do to each other if she were single, all of which I would happily take her up on, this did not help but fuel the fire. During our messages I asked her what she thought about the fetish. She admitted that she had been thinking about it a lot, saying “If I had the key, you would probs would assume I’d give it to you at the end of work but I’d make you beg for it to earn it back.” As we continued she said that she would love to have control over me but what we were doing was wrong given her partner, but she couldn’t help but continue the conversation as she wanted to explore. I enquired about what I would have to do to earn the key, she replied “I would take you to a private office, get you on all fours and spank you, making you my little bitch. Then I would grab your throat and suffocate you whilst I bite your ear.” All of this was clearly getting her excited and I was definitely excited, evidenced by trying to bust out of my cage. I sent her a picture and asked her if she wanted to hold the key, she responded with, “I demand you give it to me!”. I was taken aback by this, as we have talked kinks before and she had confessed it had gotten her horny but this was different for her. Having control over someone was clearly something she wanted to explore as went into full dom mode, telling me that I cannot address her unless she addresses me first at work or by text. We haven’t seen each other since our text chat. I am very excited to give her the key, I hope that she accepts it as I have never had someone else in control. Let me know if you want updates or if you have any advice.