You ask Windcaller if he needs help, and offer to give him a massage.

Windcaller: "No thanks, I... I can handle it. Don't worry about me."

Moonflower: "You sure? 'Cause she's really good with her hooves! Heehee..."

Windcaller looks embarrassed.

Windcaller: "Uh... r-right. Let's just keep moving. We shouldn't stay here longer than we have to."

You continue to follow the stream, but the fog is too thick to see much farther ahead.