That is a worry. I'm glad you're using your coping strategies, but why not talk about it here before now? It helps to get it all out of your head.....
Crochet - are you making something you enjoy to make? When Marc was ill last I started what I call my stress blanket. It's really simple - just a big granny square, but made with odds and ends of yarn. So it takes very little concentration and I can just do it....
