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The moment of truth is here. Participants make profound choices about love, commitment and their futures.

The moment of truth is here. Participants make profound choices about love, commitment and their futures.

Time is almost up for the couples, whose reflections on the nature of love and commitment raise questions about their relationships' viability.

Time is almost up for the couples, whose reflections on the nature of love and commitment raise questions about their relationships' viability.

Reunited with their original partners, couples sift through their experiences and consider their futures together.

Reunited with their original partners, couples sift through their experiences and consider their futures together.

As the experiment draws to a close, heartfelt moments contrast with tense confrontations, leaving several couples with tough choices to make.

As the experiment draws to a close, heartfelt moments contrast with tense confrontations, leaving several couples with tough choices to make.

When family members weigh in, couples face tough truths. A surprise twist at a group gathering sends shockwaves, testing every union.

When family members weigh in, couples face tough truths. A surprise twist at a group gathering sends shockwaves, testing every union.

Some of the couples find difficulty letting go of their past, which strains their new arrangements.

Some of the couples find difficulty letting go of their past, which strains their new arrangements.

A trial marriage forces the couples to consider whether to stay loyal to their original partner or test the waters with a new love interest.

A trial marriage forces the couples to consider whether to stay loyal to their original partner or test the waters with a new love interest.