The context of the following conversation is Robin recently had an operation and had been recouperating at home.  Robin decided to go out for a walk but quickly became tired.:
Robin says It was nice to go for a walk around the park today..
The friend responds Yeah, it was a beautiful day, not too cold and not too hot..
Robin responds Just perfect weather. It was my first walk after the operation so I was tired afterwards..
The friend responds It's good you are getting out and working the legs..
Robin responds They felt pretty good. I just need to strengthen them again..
The friend responds You can do it..