Sister Wives: Watch Season 5 Episode 1 Online

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They. Are. Back.

TLC kicked off a new season of Sister Wives this week, with Kody and his family planning their jewelry business and also trying to keep the kids in line.

The premiere featured Kody having an awkward chat with daughter Mykelti and her boyfriend about how the human mind and body reacts to love.

Explained the family leader:

"When you kiss... the person that you kiss, their hormones go into your mouth and it registers certain things that will stimulate both the heart and the body for other reasons."

Got that, readers? Watch Sister Wives online for more wisdom:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.