"And .. Damien will tell us the answer to this one."

"Huh?"

"The process of loss of water from the leaves and other aerial parts of the plant is called?"

"Psst, Transpiration." came her whisper.

"Uhm.. Transpiration?"

"Good job."

A soft, satisfied smile graced her features. He looked at her, heart swelling, contemplating on thanking her or not. He settled on the latter.

Because badboys don't show emotion.