Here's another Gossip Girl "Speak of the Week" promo, this time featuring Nate Archibald and his habit of ... well, dating everyone on the show. In other words, pulling the Nate and Switch, which may lead to a painful side effect called Archiburn ...

[video url="http://www.tvfanatic.com/videos/gossip-girl-promo-nate-and-switch/" title="Gossip Girl Promo: Nate and Switch"] [/video]

CAUTION: If you experience a relationship with Nate for more than four episodes, consult your local listings. You may be experiencing a serious case of Archiburn.

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.