In season 3, Jess continues her relationship with Nick, but after a tumultuous visit from Abby, she and Nick realize their life goals diverge too much and they have spent more time arguing, and break up in the season 3 episode Mars Landing. They break up after attempting a long-distance relationship.

What happens to Nick and Jess on New Girl?

The bond between Jess and Nick was stronger, and they ended up getting married in the final season, and a flashforward in the season finale revealed they started their own family and remained close to Schmidt and Cece, and Winston and Ally.