Shrug. Maybe it depends on whom you hang out with. Personally I spend a lot of time with successful entrepreneur and creative types. This sort of focus and commitment, whilst it's definitely laudable, isn't abnormal amongst that crowd.
...and your existing bills and how you are able to pay for them.
I've got a 1 hour commute each direction, and an 8 hour a day, soul-sucking, brain-energy-sucking job. (HN is sanity retention medicine for me.) By the time I get home in the evening, fix dinner for the kids and me, eat, catch up with the family, etc. I don't have a lot of time or energy for anything else.