Choo Sung Hoon had to discipline Choo Sarang on the August 26th episode of 'Choovely Outing'.

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The MMA fighter is known to be quite gentle with his daughter, but things went a little too far when Choo Sarang threw a fit and tossed dirt at her father. Choo Sung Hoon told Choo Sarang firmly to lift her hands up until he said to put them down as punishment, and she couldn't stop crying.

She expressed, "I don't want to talk to daddy because daddy's mad." The Choovely dad responded, "I'm going to wait until Sarang apologizes to dad." His patient discipline worked as she eventually approached him to make amends.

Choo Sung Hoon commented, "Sarang thinks only of herself too much. She hasn't lived with a lot of people, so I'd like her to learn to get along with everyone and eat with everyone," revealing why he wanted to appear on the show.