Let me rest for half an hour

doctor's office.
Jackson and three others held a short meeting here.
"Mr. Jackson, is what you said just now true? Did you really, really defeat Granny Jin?" Dong Yang asked impatiently.
"Of course, when have I ever lied to you?"Jackson smiled.
"That's Granny Jin!" Dong Yang looked very surprised.
"Are you familiar with Granny Jin? Have you ever dealt with her?"Jackson lit a cigarette and glanced at Lietian and Dongyang.
"Yes, we have dealt with each other several times."...