Once I'd got the two halves of Andy's ribwarmer united, I tried it on him. HUGE! Massive, and even worse, stretching.
Sigh. Off to the frog pond.
Restarted. This time, I am not going to do the increases at the side of the garment. I am using a size smaller needles, so will probably knit the same number of rows, but it will be smaller and tighter.