I sometimes marvel that I used to actually understand calculus, I even got the Maths prize, my final year at school - and French and Chemistry, I was such a swot - but now simple ratios and percentages hurt my head. The brain fog from ME is no joke. Your head really does feel full of holes. I do miss my academic self. I am in a very bad mood cos I was woken by the magpie that sounds like a manic toy train, though today it sounds wheezy like it has a cold. The other day, I bought a bag of seeds for the birds, a bargain for a pound, but so far they have ignored what I scatter. If you haven't fed them before, how do they know the seeds are there, how can you tell them?