I own several guns, it's a family thing, and a hobbie. It's also for self defense.
I have a Walther PPK, a 22, and 2 shotguns. I target practice all the time....hopefully be a marksman one day...very close in training.
I always keep a gun in my car.
Only you would know if she's being serious or not, my suggestion is just give her a simple hershey's kisses.
A guy did this to me one day, and I thought that was the cutiest thing.