Not only do I listen, I also lector. And if you honestly believe that December 25th is the actual date of the birth of Christ, you are the one who has not been listening.
http://www.herealittletherealittle.net/index.cfm?page_name=Jesus-Birthday
http://www.snopes.com/holidays/christmas/jesus.asp
http://wiki.answers.com/Q/When_was_Jesus'_real_birthday
http://www.christiananswers.net/christmas/mythsaboutchristmas.html
http://en.wikipedia.org/wiki/Christmas
You probably also believe that the Declaration of Independence was signed on the 4th of July.