You can claim back tax for up to the last 6 years. When I did it I just phoned the tax office told them I wanted to claim and they sent me a few cheques.
But I know what you mean about seeing it in print.
Also, I've just seen a spinal fusion on tv. Thank god I did not have that done last year, although hearing the drill was gross because that sound happened during my surgery. Blegh.
Fat does not make you fat. It's actually pretty important.