India, Sept. 16 -- Matthew McConaughey has shed light on several unknown incidents from his life in his latest book, Poems & Prayers. He candidly spoke about his weed addiction and the nights he spent on a friend's couch during his early days in Hollywood.

Matthew McConaughey opened up about his decision to quit smoking weed in one poem. The Interstellar star admitted that he smoked "Mexican dirt weed" and missed his own birthday party one year because he was high.

"Back in the days when I used to smoke weed, it was Mexican dirt weed. The kind where you passed the joint around, laughed, got the munchies, and hopefully snuck off for some good sex," McConaughey wrote in his book, as per the US Weekly magazine.

The Serenity star said weed...