Three things I know are true : a novel

Five months ago, Liv's big brother, Jonah, shot himself in the head. It was an accident. He didn't know that the gun was loaded. But the damage was done. Now he won't ever be leaving their small mill town like he planned. Jonah can't speak, can't walk, can't take care of himself at all. Their house is full of machines and nurses working around the clock to keep Jonah alive. Liv's mom is struggling to cope with the aftermath, so Liv ends up being...