questions' answers about crime

1) How do they both fit in the fire?
It doesn't look because the fireplace is quiete far in the picture, but actually, it's a very big one.
So they can be both in it without problem
2) What did her husband do that made her think it was a burglar?
The husband opened his presents rapidly and without taking care about the noise he did.
Moreover the christmas nights, there are many burglars who try to steal people's christmas presents. That's why she believe that.
3) Where are all the other people at the party?
I talked about a party, but it won't be in their house. Indeed, they had been invited by some of their friends indeed. So, they can't be here .