Am I in over my head?! Update on pg. 3 and a thank you :)
Long story short, sil (her mom) has given up on her. She'd rather drink herself away and get into brawls with her bf than parent these girls. And that's where I come in.
My niece is smart. Seriously, she's a freaking genius. She also suffers from depression, anxiety, struggles on and off with bulimia, and PTSD. She's had two suicide attempts, the last one being only a couple of months ago, and has been to what I understand is a mental institution for troubled teens for both attempts. Through everything that has happened in her life, she's managed to put her trust in me and I've become the closest thing to a functioning parent that she has. I'm just not sure how to do this. I'm still young, and still learning about being a mother myself.
I just need some words of encouragement, and I hope I've found the right group for this. Any advice is appreciated. I'm sure I'm going to screw up somewhere down the line, but I need to do this for her, and eventually her sister if she'll let me, because no one else will.
ETA I just want to thank everyone for their feedback, advice, and testimonies. I'm beginning to feel more confident that I'm making the best choice for her. I really enjoy reading these responses. I updated with a POA on page 3 for all who are interested.