How did the relationship change between Lincoln Six Echo and Jordan Two Delta in movie The Island?

Lincoln Six Echo (Ewan McGregor) and Jordan Two Delta (Scarlett Johansson) are initially strangers when they learn about the truth about their existence within the film "The Island. Their relationship then goes through three key changes:

1. Discovery of the Truth:

When Lincoln and Jordan find evidence questioning the reality of their lives on the island, they form a tentative alliance of trust while investigating its true purpose.

2. Friendship:

As they explore further, they become close friends sharing moments of shared realization, emotional support, and humor

3. Romantic Involment:

Their friendship eventually develops into stronger feelings, and they share a kiss that underscores their growing romantic connection amidst life's circumstances.