Giving Thanks
When I was a high-schooler at church camp, our pastor at the time (Dr. Lindsay) encouraged us to be thankful. He challenged us to write out 100 things that we were thankful for. This was a great exercise that I would do every year for a while.
It was very humbling and still is to realize just how much God has given us. But I hope I don't embrace the gift over the Giver. In Romans chapter 1, one of the condemnations of those who exchange the creation for the Creator is that they do not honor God nor are they thankful.
Which reminds me, what does an atheist actually do on Thanksgiving?