"I think you never get used to it," Jonas says of reading about himself and his friends in the media. "You get a little better at it when there's rumors or you have to deal with random drama -- [like] old exes that are dating somebody new."
"I try to just focus on the good stuff and not obsess over it. It's not as bad as it used to be," he continues. "On the Demi thing, I see she's happy and I'm happy for her. I met Bomba. He's a good guy."
Jonas, 27, and Lovato, 24, first met in 2007 on the set of Disney's Camp Rock, a role he says he sometimes still gets teased for, even by celebrities like rapper Tyler the Creator.
"There's moments where I look back and I have to laugh," he admits. "I don't really want to hide anything from my past, but I easily could have done with a few less hairstyles back in the day."
"Other than that, I'm really proud of everything," he adds. "I grew so much from it. We actually have a plan as a band -- because I don't think Cole [Whittle] has seen it yet -- to get pretty drunk and watch Camp Rock and see what it's like now."