"My prayer for Helen is that she will be brave and kind. I pray that she will not be bullied the way I was, and that she will be a protector of the ones who are," Erin wrote in her online journal at the time. "I pray that she will learn that from her father, the protector who loves the people in his life so well."
Erin, however, learned she was pregnant on May 13, 2017, which just so happened to be Mother's Day that year.
"[My husband] wrapped his huge, heavy arms around me and held me so close and said, 'Everything is going to be great.' And we cried," Erin recalled of the moment her pregnancy test was positive.
"Ben felt nothing but joy. I was surprised by the overwhelming relief I felt. The hardest part for me was done -- the decision had been made for me. I would be a mother."
In her October post, Erin shared a heartfelt story about her fears of motherhood and also explained why she waited so long to share the big news.
"We've kept it a secret because it felt too close and too important to share... I am now almost 7 months pregnant, and it has been thankfully a healthy and easy pregnancy. The long hours of filming have been hard on my very tired body each day, and in the first trimester there were headaches daily but never morning sickness. I thanked God for it, and still do," she wrote.
"Becoming a mother was my greatest, and most hated fear. It had followed me since I saw the photos illustrating childbirth in my daddy's medical books at the tender age of 6. I didn't want to be afraid of it. I wanted to be like the other women in my life who never considered pregnancy something to be feared."
Home Town's second season will premiere on Monday, January 8 and feature Erin and Ben fixing up old homes and making their Mississippi hometown more livable and welcoming.
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As for whether the couple's baby girl will make an appearance on their reality show, Ben recently explained to E! News, "We're still new to this TV thing but we're more experienced at being on television than we are at being parents, so we're going to see how it goes."
He added, "Helen will be our priority and we'll want to always protect her privacy and let her have the most normal childhood possible. She'll probably spend a lot of time behind the camera and not a lot of time in front of it."