 However, Brian fully embraces being less intelligent and Stewie gives up and decides to adjust to the new reality, until Brian and Peter decide to enjoy a garage-set "London Fog" night where they'll take long and deep breaths as the exhaust from the car envelopes them, and Stewie realizes Brian's behavior is actually going to kill him.Deciding to use his stupidity against him, he tricks Brian into getting the operation by claiming that it was an operation to graft him another penis.Brian agrees to come along as he could watch "Black Swan" and shoot one load at Natalie Portman and another load at Mila Kunis (Stewie interrupts before Brian can say her name).