Fans of Teen Mom OG have long followed the stories of Catelynn and Tyler Baltierra. Since the couple first appeared on Sixteen and Pregnant, fans have watched them build a family and life for themselves. Along the way, there have been definite bumps, including Cate battling mental health issues, a temporary separation, and family issues. Most notably of the family issues are Tyler’s relationship with his father, Butch Baltierra. As fans are well aware, Butch has had a longstanding substance abuse problem. While there have been ups and downs with this, yesterday (on Father’s Day) Tyler took to social media to share a heartbreaking note- and it seems Butch is not really his father. Wait… What? What do we mean?

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