You talk about this relationship as a first, but then talk of a prior relationship with a woman.

Were you orgasmic in this relationship (despite her hurting you with her nails), or have

you had orgasm problems with all women?

Sex is like driving a new car, in that until you learn how to drive to the car's strengths,

you'll never get the best out of it.

Finally, learn to enjoy the moment and just take the orgasms as they come (so to speak).

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Calm, quiet, smooth, devastating