Why is sex best in marriage?
Tim Keller speaks to Jefferson Bethke about porn, sex and marriage.
Tim Keller is the founding pastor of Redeemer Presbyterian, a church in the heart of New York City.
You can find out more about him here: http://www.timothykeller.com
Jefferson Bethke is a popular Vlogger and spoken word artist.
Check out his YouTube channel here: https://www.youtube.com/user/bball1989