blood and bones

Week by week February 2013, values on the Y axis, months along the X
You should be able to see an interactive version of this chart here:

Key:
Illness what illness: 9-10,
I feel fine: 7-8
Grin and bare it 5 – 6
Stiff upper lip: 4
Wobbly lip: 2-3
I don’t want to talk about it: 1