'Married at First Sight' season 3 spoilers: Tres and Vanessa to win? Sam says Neil might not be 'authentic'

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"Married at First Sight" is headed for a third season this year, coupling literal strangers Ashley Doherty and David Norton, Sam Role and Neil Bowlus, and Tres Russell and Vanessa Nelson. With four of the six couples from the previous seasons ending in divorce, according to the show's Wikipedia page, some viewers are already guessing which of this season's couples will increase the reality television show's success rate.

Zap2it was bold enough to declare that luxury car salesman Tres Russell and Vanessa Nelson are going to "win" season 3 of "Married at First Sight." The two hit it off instantly during the pilot episode, having something nice to say about how each other looked.

But the guy looked like he was about to withdraw from the arrangement, pausing mid-ceremony and asking for a minute. It was nothing more than a case of cold feet and the marriage still pushed through.

Now, the marriage looks like it is headed for a happy ending. After that initial spark, Tres and Vanessa are working towards making that into a full-fledged flame. They did have quite an argument about where they are going to settle down but Vanessa was willing to compromise.

As if that's not enough proof that the marriage is going well, the preview for the next episode teases that the two might finally consummate their marriage.

Account executive David Norton and nursing student Ashley Doherty are also doing pretty well. They did spend their first night post-honeymoon in separate rooms and Ashley is vocal that she is still unsure about David, even if Ashely hit it off with David's mom. David also revealed that he is pleased that his new wife is making an effort to make his mom happy.

While the two other couples seem to be falling into the groove of this unconventional marriage, laboratory compliance specialist Neil Bowlus and bank manager Samantha Role are having major troubles. Sam has gone on camera and declared her doubts about her new husband. International Business Times reports that she feels like Neil is different on- and off-cam.

Find out what else is in store for these newlyweds and whose marriage lasts until the end as new episodes of "Married at First Sight" season 3 air on FYI every Tuesday night, 9 p.m.