Life is all about sharing. If we are good at something, pass it on. That is the pleasure I get from teaching - whether it is television or books. We should all share.
When I was paralysed by polio at 13, I went into an isolation hospital and couldn't sit up, so I only took liquid food from spouted cups which the masked nurses would bring in and feed to me. I saw my parents only through glass; we couldn't touch.