McConaughey's Mom: His Dad Died During Sex!

Mama McConaughey is dishing some serious dirt in her new book, "I Amaze Myself!" -- including how her hubby died during a romp in the sack! "On Monday mornings, he and I often said goodbye by making love," Kay McConaughey tells Us Weekly . "One day, all of a sudden, it just happened... but it was just the best way to go!" Surfer Matt recently became a father to Levi with GF/handbag designer Camila Alves. (link)