Mine was a bit of both. Premeditated, but I requested it to be a surprise. He had set up the bed with straps, and at some point during the week, he was supposed to capture me, take me to his home, tie me down while I struggled and fought back, just to make it exciting. After I was bound, I was punished when I struggled, either slapped or choked. We had a safe word to ensure trust and practiced it before. I must admit, it was the greatest experience of my life.