This is the entire plot of Junjou Romantica (I'm only on episode 6 but)
"Your brothers hot"
"You're weird"
"You know what actually you're pretty hot"
"You're even more weird now"
"I'm gonna fuck you"
"No. Stop being weird"
"I'm gonna do it anyways"
"You bastard stop."
"Here I go"
"Don't touch me!"
"I love you"
"I love you too"
"I'm now going to write porn about us"
"Don't you dare"
"I'm doing it"
"Stop"
"I did it"
"I hate you"
"I love you"
"... I love you too"
***
"I'm breaking up with you"
"No you're not"
"No I'm not"