My goodness . . . I see why some folks get so discouraged over life when reading the rants of those on websites. Perhaps they too should get a profession they love and stop whining.
My father grew up on a Kansas farm in the same school district where Dwight Eisenhower was his chum. They both served in two world wars, my father an Air Force Colonel in Korea while Ike went on to become President. That said, working 12-14 hours a day farming was both a blessing and a hardship. My father then went to college before enlisting in WW 1. He then "chose his profession" and never minded the hours because he loved it (who's counting when you're in love?)
Later he was able to add other interests in his life (like my mother and the birth of my brother and myself) . . . and he chose to balance his work week down to 8 hours a day and weekends off. That did not change his work ethic, as he still had the same 168 hours a week all of us have to choose what to do about it. He just filled his cup with other interests.
For professionals who choose to work 40 hours a week, they also choose what to do with the remaining hours to give their lives joy and purpose.
High School and College are the working labs for what life will be after the launch into family, profession, and other pursuits. My father-in-law was one of the engineers which put the first man on the moon. He and others used the working labs of their time and efforts in order to enjoy the fruits of their hard work upon the launch of that rocket.
For others, I suggest reading some very worthwhile blueprints of how to pick yourself up and get going on a road to joy. Leaders are readers. Leaders are also doers of action. And all of it is based on your principles, and less on what is presented to you in offers. (everyone has offers)