Answer:
Looks like water, but it's heat. Sits on sand, lays on concrete. A play on the eyes, but it's all lies.
It is sometimes known to have silver linings.
Two people are born at the same moment, but they don't have the same birthdays. How could this be?
At night I come without being fetched. By day I am lost without being stolen.
What do you have when you're sitting down that you don't have when you're standing up?
A Chinese, Indian and a Swiss were going to a party. Who is most likely to bring a plus one?