"There you go," John says softly, and tries to keep his own breathing steady -- to generally be a source of calmness Ianto can try and resonate with. "Don't you worry, I've got you. Just try to relax a little, okay? Deep breaths. Picture..."

Okay, maybe not the ocean if Ianto is scared of water. What else is soothing?

"... Fields. Or, pretend you're on a Ferris wheel."

Ferris wheels are cool!