Rule #1 of caving: never go caving alone. Rule #2: take plenty of spare batteries, matches/lighters and candles. What a dumb@ss. Natural selection at work. He was fortunate.
I agree... but unfortunate people suffering from depression don't reason well!
Mr Josuat-Verges left his home on 18 December suffering from depression and telling his wife he wanted to be alone for a time, local newspapers said.