I can relate on many different levels. I started back to serious riding in June of last year after a hiatus from racing/burn-out. A seasoned, but rusty veteran of cycling, I knew I'd want to buy something new and shiny, so I started saving then. I finally had the coin to buy it this past February. Having just plunked down a lot of $$$$ for that dream Italian bike, I wasn't looking to buy anything else soon, but kept my eyes peeled. I thought I'd be getting a cross or new mountain bike at some point. Nope - just this past week, along came a great little road bike (a 39cm. of all things! didn't know they made them that small!) for 11 year old dd. It only took one ride to see how much fun she was having. With the comment "O.K. Mommy, I get it. I'm hooked!" I knew it was worth the money. I don't mind putting off n+1 when now I have my favorite person in the world to ride with. Isn't it wonderful to see a new interest blooming in our own children and know we had a hand in it? Dd never got the kick out of her mountain bike like she has this road bike.
Where to put the bikes? I think that's a good question when space is at a premium. We don't have a garage, so I have my new Italian bike in the dining room, my aluminum Klein on the trainer in the basement family room and dd's bike is still hanging out in the entry way. The rest are in the mini-barn. At some point, I guess you just live with your bikes like they are part of the family... which they are if you're naming them. 
I think your son is lucky to have a mother like you!
Last edited by velo; 03-28-2013 at 04:00 AM.
The bicycle has done more for the emancipation of women than anything else in the world. ~ Susan B. Anthony