The context of the following conversation is Sasha worked double shifts at work to be able to have everything done on time, so the company can grow internationally.:
Sasha says Oh, what a gruelling couple of weeks!.
The friend responds I know! You've been working yourself way too hard!.
Sasha responds Yeah, these double shifts are killing me, but there's no other way to get everything done on time..
The friend responds Why is that so important?.
Sasha responds It'll enable our company to grow internationally; we've been working towards this for a long time..
The friend responds Wow, you sure are dedicated! They're lucky to have you!.