It's not about your partner. It's about the type of clitoral stimulation you're experiencing with your partner.
Nipple clamps...suction pumps and other toys abound for nipple play.
Cannabis can help us get out of our heads and into our bodies.
You can upgrade your masturbation technique to orgasm from a lighter touch/stimulation.
She is not breathing sufficiently to get enough oxygen into her brain with most of it going to her genitals.
When we orgasm - if we keep on going - we'll experience "aftershocks of pleasure".
To understand what happened between us, it's important to understand a little about the brain.
You are two different people with different ways to enjoy orgasms.