Answer:
I always go to bed with my shoes on.
I am rarely touched but often held. If you are smart you'll use me well. What am I?
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat and your heart grow cold. I visit the weak, but seldom the bold. What am I?
When you need me, you must find me. When you find me, you no longer need me. What am I?
I transfer oxygen from the atmosphere to your blood
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.