I also learned that I can't stay in one position for more than 3 hours because of my asthma, I get pains in my legs as I'm not circulating enough oxygen around my body by using my leg muscles. This could cause a problems at the cinema, theatre or lectures or for that matter on a long haul flight.
The opticians phoned me to say my new prescription contact lenses are ready to pick up. So I'm into the city centre tom Yrrow to pick them up. Yipee!