If you've ever tried to help your kid with their math homework, you understand exactly where this dad is coming from.

45-year-old Liu over in Shenzhen, China was trying to help his 3rd grade son with his math homework, and it wasn't going so well.

Liu got so stressed trying to figure out the answers that he had a heart attack. Luckily, after he collapsed his family was able to call an ambulance.

Doctors performed an emergency surgery on him to unblock an artery and save his life.

Read more at New York Post

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