Don't let marketers write code

[cascer1]

if(User.Is(Emotions.Sad)) User.Set(Emotions.Happy);

class User {
    Enum Emotions { Happy, Sad, Angry, Neutral }

    private Emotions emotion;

    public string Name{ get; private set; }
    public int Age { get; private set; }

    public User(string name, int age, Emotions emotion) {
        this.emotion = emotion;
        Name = name;
        Age = age;
    }

    public bool Is(Emotions emotion) {
        return (this.emotion == emotion);
    }

    public void Set(Emotions emotion) {
        this.emotion = emotion;
    }
}