Is this heaven?

There is a line from the movie Field of Dreams where a ball player from the past comes out of the cornfields and asks, "Is this heaven?" 
We spent a few years in Iowa so we've modified the reply to -- "Hell no! It's Iowa."

But what if I missed out on the beauty of our four and a half years in Iowa?
What if the people that live there and consider it to be heaven on earth are right? ...at least for them?
What if heaven and hell aren't places where you go in the future, but are places where we dwell in the now?
What if heaven and hell aren't places at all, but are states of mind of our own choosing? 
What if living like you want to go to heaven puts you in heaven right now?
What if an obsession of not going to hell, is in itself -- hell?

Just thoughts in my head.

John