an affair is when a guy and a women are married and either the guy is secretly seeing someone else or its the other way around.ANSWER:Affair is a relationship with another person who is not your husband or wife. Affair is not a one night stand relationship that you can go home and act like nothing happen. Affair is a relationship that will last months or maybe years because the person who's having an affair do fall in love with the other woman or other man. There are two kinds of "Affair", one is Emotional affair where a spouse become close to the other person who is not the spouse. It brings two person very close because they can talk about anything, and they can only share it to each others.Physical affair is all about intimacy with feelings, because they are more closer and love each ot