All the starter sentences I could find, alphabetized.

• "Are you even listening to me?"
• "Are you even listening to yourself?"
• "Are you threatening me?"
• "Be mine."
• "Do I know you?"
• "Do you love me?"
• "Do you remember this?"
• "Do you trust me?"
• "Don’t go."
• "Don’t let me die"
• "Don’t look at me like that."
• "Don’t you dare come near me!"
• "Don’t you dare."
• "Explain yourself."
• "For you, I would _____"
• "Give it back."
• "Give me another chance."
• "Have you ever even done this before?"
• "How drunk are you right now?"
• "I already regret this."
• "I can’t believe you missed that."
• "I can’t do this anymore."
• "I can’t even look at you."
• "I could kill you!"
• "I dare you." or "I dare you to _____."
• "I didn’t do it.""
• "I didn’t know you could do that."
• "I hate you."
• "I have to go."
• "I just want to cuddle."
• "I love you."
• "I miss you so very much."
• "I missed you."
• "I need a drink."
• "I need a hug."
• "I never really loved you."
• "I owe you."
• "I think I broke it."
• "I think I’m falling in love with you. "
• "I think I’m forgetting something."
• "I trust you."
• "I want to be yours."
• "I want you. Naked. In my bed. Now."
• "I’m dying."
• "I’m going to be sick."
• "I’m not speaking to you anymore."
• "I’m pregnant and it’s yours."
• "I’ve never heard that one before."
• "Is that my shirt?"
• "It was me"
• "Just five more minutes."
• "Just go."
• "Just leave me alone."
• "Just let me die."
• "Just relax."
• "Just what did we do last night?"
• "Kiss me you idiot."
• "Kiss me."
• "Make me."
• "Marry me?"
• "My Parents don’t know"
• "My parents know.""
• "Never again."
• "No, that can’t be my baby."
• "No! You can’t die on me now!"
• "Put your trousers on!"
• "Put. The. Weapon. Down."
• "Shut up and listen."
• "Take responsibility."
• "That isn’t mine."
• "That looked easier on TV."
• "That sounds painful."
• "That was a bad plan."
• "That’s mine!”
• "That’s the cheesiest pickup line I’ve ever heard."
• "This seems familiar."
• "This stays between us."
• "Truth hurts, don’t it?"
• "Want to hear a secret?"
• "We need to talk."
• "Well that was unexpected."
• "What are we doing here?"
• "What are you afraid of?"
• "What are you touching?"
• "What are you?"
• "What do you need?"
• "What happened to you?"
• "What have I done this time?"
• "What the hell do you think you’re doing?"
• "What were you thinking?"
• "Where are my clothes?"
• "Where did you find this?"
• "Where were you?"
• "Why are you wearing that?"
• "Why yes, I am as think as you drunk I am."
• "You could have killed someone!"
• "You coward."
• "You drive me crazy!"
• "You lied to me!"
• "You mean everything to me."
• "You owe me."
• "You. Come. Snuggle. NOW!"
• "You’re all out of ____."
• "You’re dead to me."
• "You’re pregnant and It’s mine"
• "You’re so weird.""
• "You’re under arrest."
• “I guess this is goodbye.”
• “I love you, but I really wish I didn’t.”
• “I think it’s broken.”
• “I’m bad for you.”
• “It’s so beautiful.”
• “It’s time to choose.”
• “They’re coming.”
• “You could have died!”
• “You’re an idiot.”
• “You’re bad for me.”