Barney fears gay marriage will strengthen the American family. We get a fabulous introduction to Barney's brother James. The couples debate whether it is fun or aggravating to always get hit on.
Ted's hilarious attempts to define himself as a Professor carry this episode as Lily forces Barney and Robin to admit they're a couple. Also, Brad's biceps and abs.
Lily and the gang confront Ted about bringing new relationships into their biggest celebrations with hilarious flashbacks. Barney has a magical relationship with cameras.
We finally meet Barney's real dad who ends up a disappointment to Barney both in style and absenteeism. We learn that everyone in the gang has a major blindspot in their knowledge and skills.
The gang are all involved in the same story, whereby Barney convinces Ted and Marshall to back GNB in the Arcadian battle which ultimately ends Ted and Zoey's relationship.
