Keep telling yourself excessive work hours are a noble endeavor
When I was younger and dumber, I used to work 11 hour weekdays, half-day Saturdays, and was mentally distracted with work for much of the rest of time. Although I work for myself and have a ridiculously flexible of schedule, I vacationed very little at the time. I was seeking fortune and professional notoriety. I thought 60+ hour work weeks would get me there faster.
It did’t. It made me counter-productive, short-sighted, and less money on a per hour basis. In fact, Henry Ford discovered this 100 years ago, according to Inc.