(I wish i knew how to draw, these would make some damn funny pictures)
Grace:
1. If she know how it happened, she honestly wouldn't really care.
2. She tries to convince herself that she didn't get drunk and sleep with someone she doesn't know, saying that instead she got drunk and spent all her money on a new house.
3. Ale
4. She runs into the house to save people, hoping she's fast enough to get her friend the medicine.
5. Obviously freak out and leave.
6. Spring, and if you put a gun to her head she'd say soccer.
7. Bitter, specifically burnt food.
8. Whichever of her friends happens to be nearby at the time, because hanging onto that would just cause problems the longer things went.

Luna:
1. Use the change in appearance to return to places she would be recognized and do business. 
2. Hangover? Those are real? I've heard legends about them, but I thought all my friends were wimps.
3. Vodka
4. There's no profit in selflessness, save the friend.
5. Stop dead, nod once, back away and never tell anyone unless doing so would lead to more humor than embarrassment. 
6. Winter, Ice Skating (not technically a sport but still)
7. Sickly Sweet
8. to whoever doesn't yet owe her a favor, so they now owe her a favor.