Help me take that next step

Hello! I’ve been working through my sessions, making incredible progress, and feel like I’m at a point where I might need some advice. I’ve been able to achieve p-waves regularly and get to where I feel like a prostate orgasm is within reach but I’m unable to get over the threshold. I can achieve a growing feeling of tingling, warmth, pleasure, arousal, involuntaries, and large muscle quaking but seem to have plateaued. It feels like “edging” but without the conclusion. Here are two quotes from the wiki I’ve been thinking about in relation to what I’m feeling and what I’m doing:

>If you feel something building don’t hammer it with a strong contraction. Instead approach it very gingerly…
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>When you feel encouraging sensations, think more in terms of supporting them or bolstering them with some supportive contractions and rhythmic breathing. Once the orgasm is imminent, you may employ stronger contractions to constructive ends.

I’ll get to a point where my entire lower body is quaking; the glutes, hamstrings, and quads are going crazy and I feel the near-orgasmic pleasure building and I believe this is where, perhaps, I’m making some mistakes. At this point, I feel like any light squeezing is impossible and I can only contract tightly, entirely bridging my waist (I prefer to be on my back with my legs slightly bent and my feet flat). When I get here, it feels very much like a penile orgasm build-up (but originating from the prostate) and I think my mind it telling me to “push the orgasm to completion” in a way similar to typical masturbation; something I’m aware isn’t the recommended approach. I’d like to just let it happen and take me over but when I get to this point and focus on my breathing, a gentle approach, and the sensations, that warm, tingling, building sensation seems to just fade away.