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

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

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

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

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

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What am I?

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

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?