Scott Disick revealed that he has serious conversations with his teenage son, Mason, about drinking and making mistakes in the past.

Scott Disick knows first-hand the dangers of substance abuse after multiple stints in rehab, and now, he's committed to making sure his son Mason doesn't follow in his footsteps. Mason, 15, is the eldest of the three kids he shares with ex Kourtney Kardashian.

Disick shares his daughter Penelope, 12, and sons Mason, 15, and Reign, 10, with ex Kourtney Kardashian Barker