I decided, having lost so much weight and improved my fitness that I was gonna give him a harsh lesson in the sort of tricks old lions can get up to in winter, and for a good half hour I was all over the wee devil. Then, a poor frisbee toss saw the disc pop up high and fall into no man's land between us. Thomas saw his chance and took off. Right, I thought, we're not having that. And so I engaged the hyperdrive and lit out at maximum warp aiming to reach the estimated impact point well before him.
That's not the actual sound a hamstring makes when it fails spectacularly. But that's what it feels like deep inside your leg.
Because no matter how much weight I've dropped, or how much excerise I've done, there simply is no way that 88 kilos of 45 year old aged beef can cover twenty metres of open ground from a standing start as quickly as 17 kilos of sugar powered spring chicken.
Much limping, a hot bath and a very large glass of red wine later we settled down to watch Stargate instead.