The context of the following conversation is After working together for three months on a project at work, Sasha finally became Casey's friend.:
Sasha says I finally became Casey's friend today and we went out to lunch..
The friend responds Is Casey the person you've been working together with at work?.
Sasha responds We've worked together for three straight months on this project so we got close..
The friend responds That's good to have a friend at work..
Sasha responds It's hard to know who I can count on sometimes at work..
The friend responds There's so much office politics..