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I'm not sure it will solve your problem exactly, but a Domme recently introduced me to "ruined orgasms" and it absolutely keeps me in a different (and more submissive) mindset afterwards when compared to a regular orgasm. It suppresses at least some of the pleasure chemicals released at the moment of orgasm and keeps me frustrated and horny after cumming.

It took me some practice to get the timing right, but for me if I stop touching/stroking completely as soon as I'm past the point of no return it puts me in a very different place.