He seems evasive (perhaps rightly so) as Bela felt that way when she first emerged from the fountain and treated everyone with suspicion.

"Have fun exploring your new surroundings." She doesn't know how much fun a person can actually have with going into the forest and the wider area - hence the slight flippancy in her tone.

Then, as an afterthought:

"If you're hungry later come back to the inn for a meal."