Answer:
What is light as a feather but even the strongest man cannot hold it for more than a few minutes?
I am commonly abbreviated to H
What is so delicate that saying its name breaks it?
I am a little piece of paper, yet sometimes hold lots of value. I am all you need to get into big events, but will cost you. I am an important part of travel. And if lost, you're not coming. What am I?
I shrink smaller every time I take a bath. What am I?
The answer I give is yes, but what I mean is no. What was the question?