Answer:
What did Physics say to History when they are arguing?
What happens to Composers when they die?
How does am armless man play poker?
I have many letters, And though it's strange to say, I stay the same no matter how many I give away.
What comes in many different sizes but is always one foot long
I never sleep yet sometimes I weep. I can get angry or just be happy. Wherever you go, I will follow. No matter what you do, I will be there. I cannot die. What am I?