Say, is that rain or are they tears?

Seven Sad Facts Of Life--
1) People want only what they think they cannot have.
2) Guns and Roses was revolutionary and never shall be again.
3) People always say enjoy your childhood blahblahblah, but it has been confirmed that being an adult is more fun.
4) As our obesity rates go up, so do our hunger rates.
5) Some people find happiness in doing the wrong thing.
6) We fight for peace and die for our freedom.
and lastly...
7) When people are smiling, you never really know what they are thinking. Even when you think you do.