Get OUT of my shower!

I have school in an hour and I came home from taking my DS to school to find my MIL in the shower. A really long shower. I need to leave in 30 minutes and I haven't even showered yet. JUST SHOOT ME!

I really, seriously, totally will flip the fuck out. Get out of my shower. Get out of my space. You're screwing with my routine and I can't take it anymore.