Social connection is more important than many other resources in surviving crises:

Throughout the city, the variable that best explained the pattern of mortality during the Chicago heat wave was what people in my discipline call social infrastructure. Places with active commercial corridors, a variety of public spaces, local institutions, decent sidewalks, and community organizations fared well in the disaster. More socially barren places did not. Turns out neighborhood conditions that isolate people from each other on a good day can, on a really bad day, become lethal.

Also: The biggest threat facing middle-aged men is loneliness.