Interesting Taxi driver-joke

A taxi passenger touched the driver on shoulder 2 ask something
Driver screamed, lost control of the car, went up on the footpath &
Stopped few centimeters from a shop
The driver said:
“Don’t ever do that again, u scared me”
Passenger apologized n said:
“I didn’t realize a little touch would scare u so much”
Driver replied:
“Sorry, it’s nt your fault
its my 1st day as a Cab driver,
 I’ve been driving a van carrying dead bodies for last 25 yrs.