Answer:
Die without me, never thank me. Walk right through me, never feel me. Always watching, never speaking. Always lurking, never seen. What am I?
What has 3 feet but no toes?
I am a person who pretends to be someone else
I live off of a busy street if you want you can stay for an hour or two but if you don't pay rent I'll tell on you.
I am gentle enough to soothe your skin light enough to fly in the sky and strong enough to crack rocks.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.