Answer:
Different lights do make me strange, thus into different sizes I will change
It's in your hand though you can not feel it. Only you and time can reveal it.
It is worldwide, but once only a spider could weave one
There is someone, and there is always another, for without the other, there wouldn't be one
What can you throw but not catch?
I'm the source of all emotion but I'm caged in a white prison.