Kitten on my lap

My old cats, acquired before I had a computer, never used to come and sit on my lap as I worked. Tuppence would come in and perch on the sofa and watch, occasionally comment but never feel the need to actively participate.
Mr Darcy (who is now asleep on the sofa) wants to help write and has taken to climbing up my leg and then jumping on the desk. Sometimes I suspect that his typing might be better than my own!
Heathcliff prefers my shoulder to supervise and now is asleep on my lap. He was not ...