Please keep in mind that during a crisis, they are exceptionally good at compartmentalizing their lives. What appears to be normal at work, could actually be a mask put in place to keep others from knowing what is actually going on within them. At home, the mask can be removed and they can just be what they are at this time, emotionally charged teens. It's difficult to wear masks all of the time....
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.