Answer:
What is often returned, but never borrowed/
What has a spot and is very bright, is sometimes, red, white, blue, yellow or green and is often blinding.
There is a creature of God whose body is hardΝΎ it does not wish to eat unless you strike its head.
Two in a whole and four in a pair. And six in a trio you see. And eight's a quartet but what you must get. Is the name that fits just one of me?
What starts with a 'T', ends with a 'T', and has T in it?
You use it between your head and your toes, the more it works the thinner it grows.