I'm reluctant even to write this ...

 ... but damnit, it looks like it's a three-month fall every time. Two today. No reason. Actually (it's now March 29th, I think there is a reason! I measured his blood pressure that day, and it was 90 over 57. The next day I measured it again (after he'd had salty chips and salty porridge for breakfast) and it was 115 over 70. So I conclude, it is low blood pressure. 

Looking Back

 I do believe I've got my husband back! He's funny, he's romantic, he's silly and he's doing stuff around the house. It's bloody amazing, I never thought this could happen. 

Sum

I asked Geoff to check my answer for this sum. As it happens, I got it wrong, and he got it right. 

2(1+1 divided by 2)