This was the homily I gave last night; with a few minor changes, I gave it in similar form at the Masses today as well.

Bottom line: Young Kevin McCallister, in Home Alone, decides that when he gets big, he’s going to live alone — family life is just too tough for him to imagine!  Our God, coming to us, is exactly the opposite: Christ chooses to come to us precisely through the relationships of family and community, with all the challenges that presents!