Not sure exactly what happened, but I don't believe they ever officially divorced. To my knowledge they are back together, and he has appeared with her in pics on IG. She still wears the ring in some recent pics.
From what she's said about their relationship in the past, my opinion is that he groomed her. They also got married like a year after she graduated high school, which seems like a pretty unstable foundation. She's mentioned a few times that she gets jealous and hates infidelity, and also indicated that he didn't fuck her as often as she wanted. He is involved with military stuff, so it's possible that he might be away frequently.
I believe during the period that they were separated, she hooked up with another guy(s). Vaguely remember her showing pictures of hickies on her neck and some white guy's arm.
I've also heard rumors that she worked as an escort for conventions in the past, but they seem pretty baseless.