is back for season 15! Ten new singles are entering into Lifetime's social experiment, as it heads to San Diego, California, its first time on the West Coast.Ahead of the season's July 6 premiere, ET spoke to the five duos, who reflected on what prompted them to sign up for the show, how their friends and family reacted to their choice, and their thoughts when they first saw their spouse-to-be at the altar.Keep reading to see everything that the couples told ET, and tune into Lifetime on July 6 at 8 p.m. ET to see their journeys unfold.A post shared by Married At First Sight (@mafslifetime)Alexis told ET that she signed up for the show because she «was tired of the vicious dating cycle,» which she called «draining.» Likewise, Justin said his way of dating «just wasn't working.»Though Alexis hadn't even seen a season of the show and Justin «literally knew nothing about» it, they both opted to give it a chance, with the support of most of their friends and families.«My friends actually encouraged it,» Justin said.