OK well the yoga is easy. I teach yoga and have practised it on and off since 1974, more seriously since 1990. I now run yoga teacher training courses.
Lizard was a nickname I was given by some friends in Cornwall, particularly after I lost my clothes on the beach. In those days (and basically ever since) I was completely hopeless, never knew where I was or what was going on. So I sunbathed on the rocks on Porthleven beach (one of the most beautiful places I have ever been in my life) and as the tide moved I moved higher up. It did not occur to me that I had forgotten my clothes, keys, money, shoes. I expect them to wash up on my desert island any day now.
Needless to say, my friends keep this story alive with great enthusiasm.
Thanks Pat and Mickey!