He was the best man for his brother, Aidan, who married the love of his life, Eimear, on this incredibly beautiful day in County Galway. It was my first time as a guest at an Irish wedding ...
When Aidan returns, he and Carrie say "I love you" to each other for the first time. She eventually confesses to the affair right before Charlotte's (Kristin Davis) wedding to Trey (Kyle MacLachlan).