One day, a son asks his dad "Daddy, would you like to run a marathon with me?"

The father says "yes". And they run their first marathon together.

有一天，兒子問爸爸：「爸爸你和我ㄧ起去跑馬拉松，好嗎？」 

爸爸說好。 

Another time, the son asks his dad again "Daddy, would you like to run a marathon with me?

"The father says "yes son".

第二次，兒子又問爸爸：「爸爸你和我ㄧ起去跑馬拉松，好嗎？」 

爸爸又說好。 

One day, the son asks his father "Daddy, would you run the Ironman with me?"

The Ironman is the most difficult triathlon ever (4 kms swimming, 180 kms bikin, 42 km running?)

有一天，兒子問爸爸：「爸爸和我ㄧ起去參加鐵人競賽，好嗎？」 

鐵人競賽是最困難的比賽，必須游泳 四公里、腳踏車 180公里、跑步 42公里。

And the dad says "yes".

爸爸說好，我們去參加。 

The story looks simple until you watch the following clip. Just amazing, how much can love be.... ?