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Sean Penn‘s son, Hopper Penn, has opened up about his fight with crystal meth addiction.

“I was doing a lot of stuff,” the 23-year-old recently told ES Magazine. “But meth was the main one that brought me down.”

HOPPER PENN REVEALS HOW FATHER SEAN PENN SAVED HIS LIFE

Penn recalled his dad’s reaction to his drug problems, saying, “I went to rehab because I woke up in a hospital and my dad was like, ‘Rehab? Or bus bench?’ I was like, ‘I’ll take the bed.'”

“Thank God I got out of that because that was the worst time in my life,” he continued. “Because it’s not fun when it gets to a point where you just need it.”

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Penn completed rehab three years ago and has been working on staying clean and pursuing an acting career ever since.

This article originally appeared on Page Six.