Dream About Friend Cocaine Injection

This dream was about

I had a dream that a friend was over, someone I had never seen before. She had red, curly hair in a messy bun. I forgot what exactly she was doing there, but then she started just….snorting cocaine for some reason. I don’t approve of it so I say “oh I’m gonna go smoke a cigarette outside” to find a chance to call the police. She notices and grabs my hand, and starts injecting something into it. My heartbeat starts going really fast and I feel like I’m dying, and I begin to feel worried about what will my gf feel like when she finds me. Then I woke up