I've found that working long hours is practical with regimented conditioning, much like training for any strenuous activity. If you jump headlong into a 60-hour

I've found that working long hours is practical with regimented conditioning, much like training for any strenuous activity. If you jump headlong into a 60-hour work week, you'll suffer and burn out rather quickly. A slow ramp eases you into the commitment and tests your limits, gradually pushing them upward. It's also crucial to take down weeks every so often.