We were close to rock bottom, and we're going up right now.

[ but because she also sucks at being optimism, she's thinking they can only go up for some time. she doesn't want to put a damper on things when their victory is very fresh, but her character development is accepting how much she cares for people, not becoming optimistic. ]

I'll save my legitimate worrying for when we'll finally stop.

[ or at least, she's trying. ]