It would have to have been my phone. Follow the rest of us into the 21st century's and keep up my loveable geek. Everything is done electronically now. Including boarding passes. (Yes, I know you can still get paper ones)
Woke up with a wicked headache but still made it to work.
There is definitely more to why Caleb is so depressed. I'll give you this-- it's not just plain old regret, guilt and depression. The wounds run much deeper.