Answer:
I shrink smaller every time I take a bath.
I am the most famous dinner ever attended. What am I?
I may seem real but it always turns out I was never there in the first place... you only see me during a certain resting stage.
I lose my head in the morning and regain it back at night. What am I?
Die without me, never thank me. Walk right through me, never feel me. Always watching, never speaking. Always lurking, never seen. What am I?
It weighs next to nothing but no one can hold it for long. What is it?