Never miss an opportunity to brag about your achievements within a game.
Also never miss an opportunity to cut someone down to size if they're bragging. Ah, in-game banter!
GM: Luke, you return to the clearing.
Luke: You guys should have seen that action! Troopers neutralised, base located—
R2-D2: Princess missing?
[SFX]: < pop-doip boop-deep-dooby ping >
Luke: She didn't make it back yet? She clearly isn't as awesome as me.
Luke: I hope she's okay.
Yoda's voice: Pride you can have, without totally obnoxious being.
Luke: Oh, pride? I thought it was boastfulness. Or maybe arrogance.
Yoda's voice: Path to the Light Side it is, not Path to the Jerk Side.