You can break me without touching me, or even seeing me. What am I?

Answer: A promise

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More What am I ?

You can break me, and I still work. If you touch me, you're mine. What am I?
You can build or destroy. Let creativity soar but be careful at night. What am I?
You can collect me and you can toss me, you can flip me, you can spin me, and people all around the world have different versions of me. What am I?
You can drop me from the tallest building and I'll be fine, but if you drop me in water I die. What am I?
You can earn me, you can lose me, but you can't use me, either high or low, I can tell your status quo, either good or bad, it might make you happy or sad. What am I?
You can easily touch me but not see me. You can throw me out but never away. What am I?
You can find me in abundance in Greenland, in a box, in a sweet treat but you’ll never ever find me in an oven. What am I?
You can hide me or introduce me to a few. But if you show me the world, I will leave you. What am I?
You can hold me, fill me, but you can't pour me. I am needed to live but can be broken. What am I?
You can see me in water, but I never get wet. What am I?
You can see nothing else when you look in my face, I will look you in the eye and I will never lie. What am I?
You can slice and dice me, peel and chop me, cut me, cook me and I might make you cry. What am I?