Sass, If that tree gives you some enjoyment after a long day of stress at work, I'd say go ahead and put it up now. I'm probably going to put mine up early. Lots of other people are too. I just like to turn off all the lights at night and turn on the tree lights and gaze.
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The weather here is crazy. It's cold enough in the mornings to turn on the heater, but then it heats enough in the afternoon to warrant the cold setting. I refuse to keep keep changing the a/c setting from cool to heat, so I just suffer through in the mornings and wear a hoodie until things outside warm up.