"...oh, Peter." Kitty wasn't sure if she wanted to cry or to start laughing, so she settled for launching herself at him and giving him an enormous hug. Just naming her as his best friend made her feel stupidly warm and fuzzy, and knowing he was serious about the best-man thing was pretty incredible too.
"Well, when you put it like that," she said, letting herself giggle, "I guess I could stand it."