Separate names with a comma.
"Yes, Diana?"
"Yup."
She watched him curiously, swing her legs slightly.
"Definitely not. You're wrong."
He nodded, keeping her close.
"Yuh huh."
"Hmph.." she pulled away reluctantly. "Fine.."
"You did.."
He grinned. "Oh, definitely."
"Of course it is."
She nodded, taking his hands gently.
"Well you asked!"
He kissed her forehead. "I love you too."
"Forever!"
She nodded, pulling away slightly to look at him. "..Cute."
"You run your hand through your hair when you're nervous, you're still really kind and funny.."
He kissed the top of her head quietly.
He grinned brightly. "Perfect!"
"You're my favorite person in the whole world," she murmured, her face in his neck.
"I know, but some mannerisms never change."