Sorrow over the loss of his dad 'refined' Matthew McConaughey

Actor Matthew McConaughey, who lost his father Jim when he was 22 years old, says the pain and grief that followed refined him as a man.

The 45-year-old lost his father James Donald McConaughey in 1992," reports people.com.

Writing about one of the 10 moments that helped shape the man he is today, the Oscar-winning actor said: "A boy loses his father, he quickly becomes a man."

"I was 22. I remember clearly the sobriety I felt in the pain of my father passing. The sorrow refined me, and I never looked at the world the same again," said the actor who raises three children with wife Camila Alves.

McConaughey's latest film is "Interstellar", in which he plays a former pilot and engineer who is now a farmer due to widespread hunger caused by blight.