I digress, perhaps I didn't explain it accurately.
FIrstly, I did go farther than what I had intended when we began. Secondly, she did enjoy it all, and even today shows of some of the marks because she I actually a person with no limits and cannot say no. If you beat her into a bloody pulp, she wouldn't ask you to stop because she simply can't say no.
And third, yes I did leave marks, two scars and both not at all small, neat or anything short of painfully ugly. I lost control once though there were several consequences.