" You have to breathe," Sage was shouting in Damon's ear. "Take a breath, as if you were going to speak, but then hold onto it, as if raising your Power.Think about your insides. Get those lungs working!"
The words confused Elena.
"There!" cried Sage. "You see?"
"But it only lasts an instant. Then I need to do it again."
"But, yes, that is the point!"
"I tell you I'm dying and you laugh at me?" a disheveled Damon shouted. "I'm blind, deaf, my senses are haywire-and you laugh! "

― L.J. Smith , Shadow Souls (The Vampire Diaries: The Return, #2)