I help folks with disabled cars from time to time....and received a jump start only a couple of months ago.

One time I was driving my 66 corvair threw its fan belt off out in the country. It was in front of a big farm. The farmer came out and asked what was up. I told him and he said "follow me". We went into his barn and there, sitting on a couple of concrete blocks was a corvair motor. He took a pair of vise grips and liberated the belt, then helped me put it on my engine, and I was off.
People around here are generally still very generous in these matters.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.