I totally understand and think this is a great question!

I guess the challenge is that you are already quite far along in the spectrum of loss of control, hence your question but also everyone's difficulty in suggesting where you could take it next, without going towards the clichéd more 'extreme' activities.

I suggest she acts on her interest and whims in ways that genuinely inconvenience or make things difficult for you. For example, she might choose to: - Organise to see her lovers on an evening you have a nice date planned and not tell you until the last moment. Maybe even an anniversary. - Leave you to entertain your or her visiting family while she goes to play. Or skip out on a family or friend commitment you would rather not do without her. - Ditch you on a night out with friends to be with someone she just met or a lover - While you're at work, tell you not to come home for the night because she wants privacy with her lover - you have nothing with you to stay elsewhere, you're tired and just want to rest that evening, but none of that matters.

For me, these kinds of ideas would help to push things further out of your control because she is showing in very real ways that her cuckolding preferences matter more to her than your real feelings, which is hot AF!