"Do it yourself" for what?

From the movie The Iron Fist of Shame.

Allen plays the boxer Addison in the film, and his career is ruined because he was exposed to buy off his opponent's fake boxing. Ma Xiao, played by Mary, is a reporter who exposes the Addison scandal. The two met in a narrow way, and soon after meeting at a press conference, they were torn apart. But before pk came out, they were struck by lightning together, and when they woke up, they actually exchanged bodies.

In this regard, the hearts of both of them are collapsed. In order to get revenge and vent, they began to find ways to play tricks on each other, dance in the boxing ring, and post a live broadcast of "stew themselves" on their social accounts. ...............................................................................................................................

So there was the stalk of "pot-stewed yourself".

Extended data:

"Iron Fist of Shame" is a comedy film jointly produced by MCA Fun Film, Xinli Film Industry and Cat's Eye Film, co-written and directed by Song Yang and Zhang Chiyu, and starring Mary, Allen and Shen Teng.

Based on the TV series of the same name, the film mainly tells the love story of boxer Addison and sports journalist Ma Xiao who exchange souls because of an accidental electric shock. The film was released in China on September 30th, 20 17.

On June 22nd, 20 18, the film won the "Smoke-free Film Award" in 20 17. August 20 18, 18, was rated as the outstanding romantic film of 20 17.