Answer:
This is your stomach's way of letting you know you've neglected it.
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
I'm a small ring shaped fried cake, often with bavarian cream or fruit filling, and sometimes covered in icing and sprinkles.
What has to be broken before you can use it?
This patch of land stands alone
People take me on walks and I run and have fun. What am I?