I am just so glad that I pretty much finished my car before we had our child. At that point, everything changed. It's not a question anymore what my priorities are. You know what though? It makes me appreciate the car even more when I get some rare quality time with it. It's all about time sharing and knowing priorities.
Because the Z was like therapy for me and since the child came, I don't get the therapy anymore, I started building RC planes. It's something I can do with the kid, in the house, with my wife near by. Then we all go out together to fly the planes. If the weather is nice, I can even negotiate some alone, Z time, for later.
Figure about 20 diaper changes buys an hour of Z time.