People ask me if my shoes were too small when I was a kid and I say it wouldn't matter how fight my shoes were, I just liked that feeling of them being in there. That's how I started tapping my toes.
An instant-read thermometer is your best bet for making sure that meat and fish are cooked to the proper temperature.
I was too thin. I was working all the time, not eating at home. Spaghetti bolognese on planes. Ugh. Now most of my meals I cook for myself with organic ingredients.