This email from Hill's Pet Nutrition is a winner! The subject line hooks you right away, addressing a common concern for pet owners. The design is clean and engaging, featuring a relatable image of a dog. The copy is clear and empathetic, acknowledging pet anxiety while offering solutions. The CTA is strong, inviting readers to click for tips. Plus, the interactive questions engage users, making it feel personal. It’s informative and visually appealing—definitely a model for others to follow!