Answer:
They can be harbored, but few hold water. You can nurse them, but only by holding them against someone else. You can carry them, but not with your arms. You can bury them, but not in the earth.
I usually wear a yellow coat. I usually have a dark head. I make marks wherever I go.
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves every day. What am I?
When I get closer my tail grows longer, but when I go away my tail leads the way.
There is a word in the English language in which the first two letters signify a male, the first three letters signify a female, the first four signify a great man, and the whole word, a great woman. What is the word?
People take me on walks and I run and have fun. What am I?