Longing

From dictionary.com...

long·ing

  [lawng-ing, long-]  Show IPA

noun

1.

strong, persistent desire or craving, especially for something unattainable or distant: filled withlonging for home.

2.

an instance of this: a sudden longing to see old friends.

adjective

3.

having or characterized by persistent or earnest desire: a longing look.

Have you ever longed for something?

I have. I do. I am.