It’s even fun around our house. My father in law died on Christmas. Had to wait until we got grandchildren before my wife would even think about a tree (and it’s plastic)
Pagans used Fir branches to decorate their homes during the winter solstace, as it made them think of the spring to come. The Romans used Fir trees to decorate their temples at the festival of Saturnalia. And Christians use it as a sign of everlasting life with God, being an evergreen tree.