Thirteen stone, twelve pounds
Yes, another pound less. 194 pounds, 88 kilograms. Still going down.
Also, on the keyboard. I tried tightening up the nuts and bolts that hold it together. I didn't think it would work, but there was the possibility that it would, and it was an easier thing to try than to dismantle and look at the insides.
It didn't work.
So, the next step will be to undo those 57 nuts and see if I can work out why those keys aren't working.