1. "Then, we'll be the closest people in the world, and we'll never be separated again."
2. "That's for sure!"
3. "...why will I need to make you remember our promise?"
4. "Are you going to forget something as important as this? That's awful!"
5. "...erk!"
7. The me from this time point onwards won't remember any of this. There's no way to explain that (As it'll affect the timeline).
8. "Well, I hit my head when I was younger, and the physician said that I'm pretty forgetful..."
9. "Story protagonists all have to face challenges and hardships before they get their happy ending, right?"
10. "That's true..."
11. "Precious things wouldn't be so precious if they were easy to obtain."
12. "It's not fair to you, but I want to become the most important person in your life. Okay?"
13. "That isn't just unfair... That's straight-up bullying!"
14. "Forgetting a promise as important as this is just awful!"
15. "Well, yes, it's unfair! I said from the very start that I'd be bullying you."
16. "..."
17. "Since that's how you want to do things..."