Why should I do with the fantasy of married women?

Married mid-aged women makes me horny.Now that I am 25 ,I found middle aged married women y and tempting.There are common traits about them such that they are more friendly than girls,a little chubby,more understanding and more straightforward.(wow I can not stop dreaming about their ).When i look at them ,it sounds that they feel my interest to them either.Is this a real problem?Is this a known psychological disorder?show I go for treating it?or should I enjoy being with married women?