Growing up it was standard family tradition, over Christmas holiday, to watch as many films in theatres as possible. In addition I would try and watch as many on demand or DVDs at home as possible.
This spawned a habit of keeping ‘watch lists.’ I think it mostly started by trying to one up myself and watch more movies each year at Christmas. But then it just became a thing I did, for any finite* period in my life.
Here are some old ‘watch lists’ - the 1st two are 2005 and the 3rd is 2008: