The "(♥´•ᴥ•`)" emote typically represents a cute or affectionate expression, often associated with animals such as dogs. It may also be used to express love or happiness. The "my dog has a heart-shaped stain" emote refers to a real-life occurrence where a dog has a natural marking on its fur in the shape of a heart. It is often shared as a symbol of love and adoration for the dog.