I got extremely lucky with my current partner (also first PIV orgasm). I typically have to be on top, but when I am if he pulls and pushes on my thighs/hips that usually causes it to happen. It's a suuuuper intense climax (whole body) and usually lasts longer than clitoral with out the spasming. One indicator for me is that i will get a tingle up my spine.
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Date: 2006-09-29 07:20 pm (UTC)Good Luck!