Teen Mom 2 star Javi Marroquin slammed his ex-wife, Kailyn Lowry, in a series of tweets on Friday. “Someone’s bitter and can’t move on from s—t that happened almost two years ago,” he tweeted. He followed it up with a reference to the exes’ 4-year-old son, Lincoln, saying “Have more important things to worry about right now than a past relationship that’s dead to me. Lincoln is the only thing keeping it alive.