It's been going very well," Josiah tells PEOPLE. "I met Marjorie a few years ago, when I was taking Spanish lessons at her house, and I was very impressed with the way she was with her siblings and her love for the Lord."
When they both went on a mission trip to El Salvador in December, Josiah, who currently works in his father's construction company, says he was particularly impressed with Marjorie.
"She really caught my eye," he says. "That is really where I noticed her