Kevin was in a very bad mental state. He had met up with Anthony and Megan at the clinic, then followed them to the chapel. He held up all right... until he stepped in and saw the casket. That made everything all too real for him and brought back memories long forgotten. He had to step outside, letting Megan hold him as he broke down into a sobbing mess. Eventually, he recovered well enough to go inside, tears rolling freely through the short service.
He calmed down and went very quiet as they walked to the wake. Rosie had been more than his boss and occasionally lover. She was a friend, someone he respected very much, who respected him for his talents and gave him a chance to show what he could do when no one else would. He felt like he owed her so much, and she deserved a better passing than what Dennis Creevey had done.
As they walked inside, he sighed and walked straight to the bar. He sat down and ordered a double firewhisky. Receiving his glass, he turned to his friends. "Thank you... both of you.. you kept me sane today," he said, taking a short pull. "Still can't believe she's gone..."