It took a very raw phone call to influence Pete Davidson to finally get sober. During Tuesday's episode of Theo Von's This Past Weekend podcast, the SNL star opened up about how his mother, Amy Waters Davidson, encouraged him to get sober more than a year ago. He shared: "My mom's the most supportive person in the world. And it got to a point where she called me when I was in rehab and she was like, 'My biggest fear is that I will turn on the news and I'll see that my son has died.'" Oof...