He's on a self-indulgent 'ego trip' with his latest movie, which he wrote, directed, and starred in himself.
Winning was good for our 'egos'. = Winning boosted our 'egos'. [=winning made us proud of ourselves]
a bruised 'ego' [=a feeling that you are not as important as you thought you were]
(..) You are now moribund. FREEMAN: But among the actors it's been quite equal, I hope. That much testosterone and that much male ego around the place... ...it would be very, very easy to get frayed with each other but we haven't. It's been really, really good. WOMAN: (..)2012 The Hobbit: An Unexpected Journey