My reply might be too late, but the way to get the polar Ending is just to refuse all of the other 3.
and here's the exact response
- ahh forget it
- I'm sure you are
- You're flaky but cute
- No, I'm a different sign
- Gimme a break!
- 99999
- NAH!
- Uhh...
- You love him but aren't in love?
- No way, I dont have time sorry
- 07
- A BRAT
- Not sure yet
- I'd like to know him more
- Probably
- 6666
- No thanks. I'll miss my bus home
- Naw, I'm just kidding
- Too much to handle for me
- We can't right now
- I'm going to watch the game
- Let it be, for now