Getting Married at First Sight is easier said than done.

As season six of Lifetime's successful series kicks off tonight, viewers are about to experience a whole bunch of emotions from three couples ready to find love in a unique way.

In an exclusive sneak peek, fans meet former teacher Jaclyn Schwartzberg who is about to meet her husband Ryan Buckley for the first time. Sounds simple, right? Think again.

"I'm so scared. I'm terrified right now and I don't know what to do because what if it doesn't work out?" Jaclyn shared moments before her televised wedding. "Marriage is everything to me. For my whole life, this is all I wanted."

"What if he doesn't feel the same way?" she continued. "What if he sees me and he's not happy?"

Married at First Sight, Season 6

Courtney Hizey Photography & Emily Maultsby

Jaclyn may not be alone in her fears and emotions. In the first episode, viewers will also be introduced to Shawniece JacksonMolly Duff and their respective husbands for the first time.

And throughout the season, cameras will roll as each of the couples experience a honeymoon and return home to start their lives together as husband and wife.

As for Jaclyn, perhaps it's best to just get through the wedding ceremony.

"My hearts pounding. My whole body is trembling. I'm shaking," she shared with cameras. "What am I doing? Is this the right decision?"

Find out when Married at First Sight premieres tonight at 9 p.m. only on Lifetime.

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