There was a big head called Tom,
Who didn't read his FCOM,
A pilot can deactivate the other stick and take full control by pressing and keeping pressed his priority takeover pushbutton. For latching the priority condition, it is recommended to press the takeover push button for more than 40 seconds.
He spoke through his $$$$,
Ended up in the grass,
And posted it on PPRuNe.com