If you’ve ever tuned into a full season of the hit Lifetime show Married at First Sight, then you probably are addicted to it — and have a lot of questions, too. How are these people chosen? Why are they matched with their husbands or wives? Is this all made-up drama by producers for ratings? Those are, at least, the questions we find on Twitter every time we watch on Tuesday nights. And considering all the inquiries and controversy stirred up by new cast member and husband Tristan Thompson, it was time to get some answers.

Thankfully, we had the chance to speak with Pastor Calvin Roberson, aka, Pastor Cal, to retrieve them. Here’s what he had to say about how the experts choose contestants, how they’re matched, and why you still haven’t seen a same-sex, older or interracial couple on the show, seven seasons in.

Read the rest of the interview here