I’m tall when I’m young, and I’m short when I’m old. What am I?

I add 5 to 9 and get 2. The answer is correct, so what am I?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

No matter how little or how much you use me, you change me every month. What am I?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

I shave every day, but my beard stays the same. What am I?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

You see me once in June, twice in November, and not at all in May. What am I?

Who has married many women but was never married?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?