Moderation, if it's straining your relationship with you wife that much I would say put off the project for a while, and if it should come that you can't just put it off sell it, Its like a car crash a human life or in this case is more important then a car.

1996 Mercury Mystique stock (so far)

The leading cause of Atheism in the world are Christians, who accept Jesus with their mouth but walk out the door and deny him by their actions.
(*DC Talks greatest hits. track 15)