Dorothy Custer is the definition of gumption. Listen to her tell the story of how she met her husband, then at 2:10 she reveals the secret to long life (btw, it's the cutest thing ever).
"What a world we would live in if when all they could say about Christians is like 'fools don't care; they just take care of folks.' Like what if that's what they said about us is that we had a reckless abandon to serve our neighbors?"