"My life changed a lot. More people are like, 'Hey, man!' And I don't think that's from my role in (TV series) John Adams. But it only changed as much as I engaged with it, and I learned very quickly: 'Don't ever engage with it. Just JKL (Just Keep Livin')'." Jennifer Aniston's actor fiance Justin Theroux keeps Matthew Mcconaughey's life motto in mind whenever the paparazzi presence becomes a little too overbearing.