>>25839She’d most likely cope with it decently well after two weeks, but it would probably take years for her to go a day without thinking about it, there’s no way she’d simply forget about it. Her sisters mean the world to her.
You also have to consider that this isn’t a natural death, this is a suicide. There’s a good chance she’d be racked with guilt and reflect on her treatment of Maya; contemplating all the ways she could’ve improved her interactions with her and potentially divert her from suicide.