Reagan is a very professional businesswoman, who shows a lot of strength in her interactions with people and is also very direct. This especially counters a lot of Nick's tendency to shy away from confrontation. She's not very adept at getting close to people and opening up emotionally, but her time in the loft inspires her to take risks in her relationships. This is the one area where she admits to not having faced the consequences in her past. Especially in her growing relationship with Nick, she wants to commit. And she takes advice from Winston on how to face emotional situations.