Well, I have thought about changing it a small amount. I paid a visit to a bike shop on Monday and bought two tubes.
On the way home, just as I was moving fast in order to avoid a nasty thunderstorm that was coming my way, I heard the sudden POP and then fzz, fzz, fzz of a deflating tyre.
Bugger. There goes the front tyre again.
But no! It was the back tyre! On a brand new, thick as two short planks tyre that is supposed to be bullet proof!
I can't tell you how impressed I was to be changing a tube during a thunderstorm, with sunset minutes away, whilst sitting on the side of the road with no wet weather gear.