Honestly, though, that's what I want to be doing. Seeing this thing come together actually makes me happy and gets me excited. It's been a rollercoaster though, some days are awful--like when we don't make any progress.
We make sure to take breaks often enough. We usually play a level of Halo on legendary or go see a movie (Superbad is hilarious!) when we need one.
All I can say is never give up. You will regret it more than you can possibly comprehend.
I'm sure your wife has something that she's very into but you just don't get/understand/grok.
I guess to answer your question. Its impossible for me to not have a life because of it, since right now it is my life.
However, I still find plenty of time to spend on things other than work, whether it be personal project/hobbies/self-improvement, or hanging out with friends. So I may or may not have a life, depending on what standard you're measuring by. But I'm happy.
I had a great situation early in the summer. My apartment has a great deck and we would have parties 3-4 nights a week. At that point I was working on my startup, well, not very much.
In mid-July they started doing construction and we can't have any more parties for now. So I went in full time startup mode. My "life" is definitely on hold for a bit, but hopefully it is the jumpstart that I need to really get things moving.
I feel sorry for employees who work their whole life for companies and then suddenly find themselves laid off.
The initial hardwork is nothing compared to the great life ahead once we make it!!!