Your +1 cancels out your -1, so you still get a zero. Not bad, but not great.

Flowers and chocolate, both, definitely. After all, she was right behind you with a fire extinguisher (I guess she knows you quite well) and SHE didn't start a fire!

Regarding stoves:
1) You can unpack them in the house;
2) You can inspect them in the house;
3) You can build them in the house;
4) You can photograph them cold in the house; but...
5) LIGHT THEM OUTDOORS!

(Sue mumbles to self, "At least he didn't try to put out the fire with that can of hairspray...")