Big grows as an emotional being, changing and evolving as the series progresses, moving past innate pain to suit Carrie's needs better, ostensibly becoming a "better man." Big seems to have no real friends, at least in New York.
He is rarely shown with other males, and when he is, they are usually credited as colleagues or acquaintances.
At one scene he is shown to spend New Year's Eve celebration alone, sitting at a restaurant, but seems to feel comfortable with the situation.
The series finale, "An American Girl in Paris", ties together the loose ends of Carrie and Big's relationship and concludes their long, unconventional courtship.
Within seven months of his marriage, he begins to chafe at his matrimonial bonds and pines for Carrie; he initiates an affair with her.
Carrie, who is in a committed relationship (with Aidan Shaw) at the time, feels guilty but continues to see Big.
Carrie eventually falls in love with Big, despite his fear of commitment.They break up repeatedly, over the course of two years for those reasons, before Big marries a gorgeous twenty-six-year-old socialite and Ralph Lauren employee named Natasha (Bridget Moynahan) after dating her for only five months.This hurts Carrie, as she wonders why he could take steps with Natasha that he refused to take with Carrie. Big had simply skipped many of the important emotional steps before marriage, many of which he had definitely, if slowly, taken with Carrie, ironically creating the problems of distance and unavailability between Big and Natasha, which Carrie had so feared in their own relationship.The affair continues until Natasha comes home unexpectedly and discovers Carrie fleeing - half dressed - from the marital apartment.
Natasha trips and breaks her tooth while chasing after Carrie, who ends up taking Natasha to the emergency room. Carrie later finds out that Big and Natasha have divorced. He relocates to Napa Valley, and they are able to discuss their other ongoing relationships with each other.
Big to another character onscreen, she is interrupted before she can say his name.) When Carrie and her friend Samantha bump into Big at a nightclub, Samantha tries to hit on him, but he tactfully declines.