The Vampire Diaries 4x02 Stefan talks to Elena about her feeding off Damon.

“What are te doing?” Derek asked curious at Damon who was sitting between the wooden planks in his bedroom.
“I’m trying to fix the bed” Damon detto obvious.
“Can I help?” Derek asked excited. Without awaiting an answer he kneeled and picked up a nail and hammer. While he hammered he tried to make a subtle conversation. “So, te and your girlfriend, how long have te been together?”
“Two months and a half” Damon said. “Why?”
Derek shrugged. “Nothing. Just curious” he said. “And have you…you know?”
Damon looked at Derek, frowning. “No, and I wouldn’t tell...

Bonnie was sitting on Caroline’s bed, looking at pictures of her, Caroline and Elena. “Those were good times” she sighed. She looked up. “You think I can ever get it back again?” she asked. Caroline was sitting at her desk. “I really don’t know, Bonnie. Maybe in time” she detto not very convincing.
“I can try to say I’m sorry” Bonnie tried. “I can go to Elena and apologize” Caroline shook her head. “Not a good idea. Elena is not in the mood to see you”
“Oh, well, then maybe I can try Damon?” Bonnie said. “If he’s the reason te guys found me, there must be...

She walked to the closet and pulled out some random clothes when she heard a thick. She walked to the window, but didn’t see anything out of place.
“Hey”
“Aaah!” Elena screamed. Damon appeared out of nowhere.
“Sssh!” he hissed. “Ric can’t know I’m here”
“Are te flying?” Elena asked a little shocked as she looked out of the window.
“No, I’m trying really hard not lose my grip, so if te could let me in, that would be very nice” Damon said. Elena stepped aside and Damon threw his legs over the window-ledge.
“Why are te here, Damon?” Elena asked.
“I want to...