It's All About The Most Quotable Lines From The Big Bang Theory, Season 9

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"What good is having a girlfriend if you can't unload your psychological sewage on her?" –Sheldon Cooper

Ah, the sweet smell of young love. Who needs flowers when you can bestow some good ol' psychological sewage?

"The Solder Excursion Diversion" (Episode 19, Season 9 of The Big Bang Theory)