2PM's Chansung brought laughter as he revealed his answer choice to a question on '100 Million Quiz Show'.

Chansung was one of the guests on the latest episode, and answered the question, "What is the most regretted action after breaking up?" Over 1,000 people had been surveyed on the question and the answer choices given were introducing to friends, uploading affectionate photos online, and spending too much money.

Seeing the question, Chansung answered, "I'm a simple person. It's the third choice, [spending too much money]," and had the set laughing at his frank confession.

According to the survey held with 1,000 people, it turns out the most regretted action was introducing their past girlfriend or boyfriend to their friends.