Ace watches Jackson leave... Yeah he knew how Sarah was... He knew how her and Jack were too...
That doesn't matter know though. Ace's spins around in his chair, and catches Razor, GLaDoS, and that strange kid, in his eye, before he turns back to the bar.
He reaches into his jacket, unpins his Wingleader Insignia, and sets in on the counter, thumbing it... Looking at its color...
Gold... Ace's continues to stare at his insignia, thinking... Not even realizing he left his favorite possession back at the table with Razor and GLaDoS...