I worked with an ex-Marine who grew up on a dairy farm in the '50s. Up at 4 a.m. EVERY DAY, except one. On his birthday, he was allowed to sleep until 6 a.m. I said he must have really enjoyed those two extra hours. He said, no, he had his parents wake him up at the regular time, then spent the next two hours saying to himself, "I DON'T have to get up, I DON'T have to get up."
When he was 17, he joined the Marines, and, My God, THEY LET YOU SLEEP UNTIL 5 a.m! "All you had to do was march around with a 9 pound rifle and they paid you $50 a month!. How long has this been going on?"
Then came Tarawa.
LOL!