Thistle is very sick. Quite apart from his recurring head-tilt and respiratory infections, he has recently become just a bag of bones, a fraction of his healthy weight. Although I didn't get all the details off Caroline before she went on holiday, I believe the vet found something serious and sadly Thistle probably doesn't have much time left with us.
So, he is very sick, as anyone who sees him up close can easily tell. The only one who doesn't seem to know he's sick is Thistle himself...
"Dude! I totally beat Tansley to the grated carrot again! I'm gonna scoff the lot!"
Knowing he probably doesn't have long, it's really great to see him happily enjoying life and racing about making the most of it. Which he does right up until nap time which, just to scare us, he takes wherever he happens to be at that moment...
"Dude! I'm catching some rays here! Can't a bunny take some z's in the sun without being stared at?"