Harry Potter:
"I love you, Harry."
"I love you too, Y/N."
Ron Weasley:
"I think I love you."
"I think I love you, too."
Hermione Weasley:
"You are the most beautiful— I mean you are—"
"Don't hurt yourself! I love you, too!"
Draco Malfoy:
"I love you!"
"Oh, really?"
"Draco!"
"Okay, okay! I love you too!"