The context of the following conversation is Casey took her dog out for a walk to get it some exercise on a nice day.:
Casey says I took my dog out for a walk..
The friend responds I needed exercise as well!.
Casey responds It's a bit overwhelming with the humidity..
The friend responds Walks a re great for exercise though..
Casey responds Yeah that's why I wanted to take my dog out..
The friend responds Sounds like you both had a good time..