Go buy the sub and give it a couple of months, then gradualy go into grumpy mode and after couple of more months when in full blown 'Im a constantly naggin o'l geezer mode' explain that you are a caveman and you need to have a 2door around back to wrench on to relief all the work and real world related tension that builds up.
I've done this more than once and she's more understanding now and I get away with a lot more before the human excrement hits the ceiling mounted rotary air conditioner.

To proof my point there was no discussion on me trading in the Pajero for a 6000lb fuel sucking monster. I just did it and have been wrenching away since then.