Amber Portwood revealed some big personal news on the new episode of Teen Mom OG. During Tuesday’s episode (October 12), the 31-year-old reality TV star came out as bisexual. Click inside to read more… After first revealing that a second memoir is on the way, Amber opened up about her sexuality, and shared that she had a past relationship with a woman for eight months. “People are going to be a bit shocked that I am bisexual,” Amber said, addressing some of the topics that would be inside the book. “That I have had a relationship with a woman for 8 months before [when I was 20 years old].” She went on, sharing her thoughts about how ex, Gary Shirley, might not be “very open” about it. “I think he’s going to think it’s going to be bad for