That I know my car well enough that I was able to pull off the motorway onto the hard shoulder before the engine died.
My mobile phone.
That it was a beautiful day, there was some warmth in the spring sunshine, and it wasn't raining as I stood for two hours waiting for the tow truck.
The skill of a mechanic.
The ability to pay the skilled mechanic.
Do you get the impression the last couple of days haven't exactly gone as planned...?