You can tell effective jokes on the phone.

One day, Xiaoming crossed the road and saw an old woman fall down. In the spirit of doing good, Xiao Ming helped her up. "Grandma, does it hurt?" Grandma holds Xiaoming's hand tightly! "I finally met a good man. What's your name! "

"My name is Xiao Ming!"

"Oh," the random old woman shouted to the crowded side of the street, "Come on, Xiao Ming tripped me!"