What happened at Christmas 2008?

“I remember waking up the Sunday before Christmas in 2008, and thinking to myself, ‘Man, I never thought I was someone who could ever be capable of a nervous breakdown,’ but I felt, ‘This is the closest I’ve ever come.’… I couldn’t even hold the phone, I just blurted out, ‘I love you guys.’…”

— Elon Musk, March 2014 · Watch: 60 Minutes video (8:25) ↗