My ex house painter had a cat that gave "love bites". That cat loved me a lot. I had to teach him not to bite me. I did that by biting him back and then pushing him out of my lap.

If is saw that he was about to bite me I would go "Aah!" sharply and loudly and as close to his ear as I could (or dared). He realy enjoyed being in my lap and was so surprised that a human knew cat ways that he always came running when ever he saw me. The family told me that I was the only one who visited or lived there that he would SLEEP in the lap for.