N, I'm sorry to hear about the loss. He's very young. I do hope that this doesn't set her over recovery back.
Are you taking vitamins? Sounds like you need some B vitamins.
Please take care of yourself.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.