The Star Trek actor answers your questions on Leonard Nimoy, the bathroom facilities on the USS Enterprise and the correct way to eat kangaroo penis George, you’ve lived long, how’s prospering going? MosesQuestI’ll be celebrating my 89th birthday in less than two months, I’m enjoying life wonderfully, and here I am talking to the Guardian!Do you have a beauty regime? Because – let’s be honest – you look great. TooMuchSpareTimeWell, thank you for the compliment. I believe in discipline. I do want to – as we say – live long and prosper. There were so many Sunday mornings I woke up groaning: “I’ll never do that again,” after debauched nights at college spent on the beer bus. I’ve learned that, if you take care of yourself, mother nature will be good to you. I was a marathoner. I started in my 40s, my husband, Brad, trained me, and I’ve done six in total. The last was the London marathon in 1991. London’s one of my favourite cities. You have to run over cobbles, so it was horrible on the a...