My mil looked after dd for the afternoon so I could take dm to hospital appointment. She sent me texts and photos throughout the day informing me just how much fun they were having which I thought was quite nice and it cheered my mum up.
When I went to collect dd she already had her hat & coat on and was almost asleep so I put her straight in the car. I got home and took off her hat & coat to find that her hair was a lot shorter than it was this morning.
I called mil and she said dd's hair had needed a 'tidy-up' (shouldn't I decide that?) and she had saved me the cost of a hairdresser. I was furious, but didn't let my anger show as I think she was just trying to help. I asked if she had at least saved dd's first lock of hair, but she said she hadn't thought of doing that and had chucked it all.
AIBU to be upset about this? Not much I can do about it now, anyway, but I can't sleep for thinking about it.