Give her her space

You try to calm her down, but she doesn't seem to attend reasons, maybe the best thing to do is leave her alone so she can relax a little bit.

She stand up from the chair and says - see ya later.

Those words didn't calm you but what is the worse she could do?

She go to home depot, were she buys a plastic apron, work gloves, boots and an Ax, apparently she didn't found a safety mask there so she stops at the sport-store for a hockey mask.

I'm sure she is only buying some random stuff, maybe some woodwork project.

Before the practice she store the items in her locker, after some hours of practice all the girls go to the showers, when all the girls are in the showers she slowly walks inside she is wearing all the gear she bought that day so she...

oh shit

Horror-show gets short, a dozen of Butt naked cover in blood girls run from the showers in every direction, in the showers the police found a mangled corpse of a blonde naked girl with the face beaten up to pulp and their breast removed (please don't ban), the girls scream in horror and give confused descriptions of some crazy Jason-esque ****, in the chaos she hide her stuff and pretend that she didn't do it, but the cameras outside the locker room says other thing, also the cameras in home depot, apparently she wasn't the sharpest tool in the box.

I guess you didn't loose, but now she is in a mental asylum of maximum security, and you still receive love letters from her that you politely reply in fear that maybe one day she gets released or worse she escapes. Well try again once more.