All the starter sentences I could find, alphabetized.
"Are you even listening to me?"
"Are you even listening to yourself?"
"Are you sure they won’t find out?”
"Are you sure this is legal?”
"Are you sure you know what you’re doing?”
"Are you threatening me?"
"Don’t look at me like that."
"Don’t you dare come near me!"
"Give me another chance."
"Have you ever even done this before?"
"How drunk are you right now?"
"I can’t believe you missed that."
"I can’t do this anymore."
"I can’t even look at you."
"I dare you." or "I dare you to _____."
"I didn’t know you could do that."
"I don’t want to look at you right now.”
"I guess this is goodbye.”
"I love you, but I really wish I didn’t.”
"I miss you so very much."
"I never really loved you."
"I think I’m falling in love with you. "
"I think I’m forgetting something."
"I want to try this thing I read in a book.”
"I want you. Naked. In my bed. Now."
"I’ll be there in five minutes.”
”This is really inappropriate.”
"I’m all for spicing thing’s up, but isn’t this a bit much?”
"I’m not speaking to you anymore."
"I’m pregnant and it’s yours."
"I’ve never heard that one before."
"If you stay quiet, no one will know.”
"Just five more minutes."
"Just what did we do last night?"
"No, that can’t be my baby."
"No! You can’t die on me now!"
"Put. The. Weapon. Down."
"That looked easier on TV."
"That’s the cheesiest pickup line I’ve ever heard."
"Well that was unexpected."
"What are we doing here?"
"What are you afraid of?"
"What have I done this time?"
"What if someone catches us?”
"What sort of noise was that?”
"What the hell do you think you’re doing?"
"What were you thinking?"
"Where did you find this?"
"Where do you even find this sort of thing?”
"Who’d have guessed you could pull such a face?”
"Why are you wearing that?"
"Why yes, I am as think as you drunk I am."
"You could have killed someone!"
"You don’t need to be so gentle.”
"You have ten minutes, so make it quick.”
"You mean everything to me."
"You. Come. Snuggle. NOW!"
"You’re all out of ____."
"You’re pregnant and It’s mine"
"You’re really good at this…”