I've always hated getting up early. Army field training made me hate the cold too, which I previously tolerated, and living through two Chicago winters solidified that dislike for me. Now I prefer warm temperatures. Texas mid-day summer heat is still uncomfortable, but I'll take it any day over waking up early or cold weather riding.
Today was a late-morning FTHR test at 95F. Five degrees hotter would have been a bit too much, but I'm pretty acclimated by this point. Now I get cold if the temp in my apartment drops below 75! My girlfriend is the opposite, she likes it cold and prefers the winter, so the thermostat is on a frequent see-saw depending on who's home.