I'm lighter than a feather, but the longer you hold me, the harder I am to keep. What am I?

Answer: Your breath

More What am I ? with answers

More What am I ?

I’m lighter than air but a million men can’t lift me. What am I?
I’m made for one but meant for two; I can be worn for many years but usually just a few; You won’t ever need me unless you say you do. What am I?
I'm named after nothing, though I'm awfully clamorous. And when I'm not working, your house is less glamorous. What am I?
I'm not a bird, but I can fly through the sky. I'm not a river, but I'm full of water. What am I?
I'm not at all heavy, but even the strongest man in the world can't hold me for long.
I'm not clothes but I cover your body; The more I'm used, the thinner I grow. What am I?
I’m often running yet I have no legs. You need me but I don’t need you. What am I?
I’m precious. Furthermore, I'm half Fear and two thirds ironic. What am I?
I’m rarely touched but often held and if you’re wise you’ll use me well. What am I?
I’m really blue, but when you see me I’m red. You don’t see me too often. I’m there for you if you’re hurt, but I’m good for you. What am I?
I'm red but I can be green at times and I am even yellow. What am I?
I'm simple for a few people. But hard for them to hear. I live inside of secrets. I bring people's worst fears. What am I?