Life is about balance. If one thing exists, so must the other. Let me break it down:
If it's hot, there must be cold.
If someone's rich, another person is poor.
If someone's Christian, another person is unsaved.
A person can be gay or lesbian, others are straight.
If you don't have faith, you have doubt.
There must be fake people to balance out real people.
If you're rich, someone else is broke.
I could go on, but y'all get the gist.