The context of the following conversation is Aubrey put in a lot of work to their costume so they could win a contest.:
Aubrey says I've been working all week on these costumes..
The friend responds The ones for the Anime contest?.
Aubrey responds Yeah, my fingers are cut up from sewing..
The friend responds Thanks for all the hard work, you didn't have to do this much..
Aubrey responds I really want us to win, so I had to work hard..