My first keeps time, my second spends time, my whole tells time.
I'm tall in the morning and short in the noon. I disappear at night but I will be back soon.
What travels from house to house and is sometimes narrow and sometimes wide but always stays outside?
I can be moved. I can be rolled. But nothing will I hold. I'm red and I'm blue, and I can be other colors too. Having no head, though similar in shape. I have no eyes - yet move all over the place.
I fly, yet I have no wings. I cry, yet I have no eyes. Darkness follows me. Lower light I never see.
Why are foot injuries so serious?