In 36 years of owing airplanes I have never worried about or tryed to justify the cost. Once I made the decision that I would own an airplane, nothing else mattered and I made sacrafices in other expenditures. Since I never tried to write off any associated costs I never really kept track. It is what it is. If and when I get to the point where I can't afford to keep it, then it will have to go. Besides, if my wife ever found out what it really costs I'd be in trouble! As long as she doesn't feel my airplane deprives her of what she wants, I'm good to go. It does deprive me of things I think I want, like that new Corvette, but that's my choice and my problem.
John Horn CFII
2007 CTSW
Light Sport Repairman - Maintenance Rated
Rotax Service, Maint, & Heavy Maint. Certified
Independence Airpark, Oregon