Rough sex needs couples to agree to what extent it should go.
How did it make you feel? Taipei, Taiwan: Institute of Ethnology, Academia Sinica.
Start by touching your nipples with one hand and rubbing a thigh with your free one.
First, you would need to guarantee that you were able to produce enough semen to put out a small fire and, second, you would need to have excellent hand-eye coordination to complete all the steps.