Answer:
Timid or weak people are said to not have these.
What can you keep after giving it to someone?
I start in little but I end in full, you'll find me in half and complete.
Tomorrow's yesterday. Yesterday's tomorrow. What is it?
Cold head and feet; Round as a ball; Always turning around itself.
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?