He had been driving the family home from a restaurant when he suffered a low blood sugar attack and suddenly passed out.
Brave Tustin leapt into his father's lap to steer the Chevrolet Avalanche for several blocks, even turning around when he entered an area he did not recognise.
Although Mr Mains' foot had slipped off the accelerator, the vehicle continued to travel at 10-15mph with the boy at the wheel until it was spotted by police.
North Platte officer Roger Freeze ran up to the moving truck, reached through an open window and slipped the gearstick into neutral before rolling it into a park.
Bravo, Tustin! I love stories like this, much preferable to the interminable saga of the goverments' fraudulent expences, here in England!
I see I have made Tustin look older and I vow to leave a drawing for an hour, then take another look, before I post. I'm always in such a hurry.
Also, apologies for missing yesterday. I FORGOT to draw. In my defence, I was unpacking boxes and moving furniture, which has to be done!