depends on how solid the relationship at home is, and that the traveler looks like a decent person and not a troll. I know some ugly folks who couldnt get laid in a women's prison with a fistful of pardons.
You can estimate this by how moral people are in general. I'd estimate that over 40% of people have done, or have thought about doing this immoral act.
it is reali common for this to happen. Because when they are on business there is some other girl or boy there by their side and since they are away from u , they kinda dont remember u and later on stay with that person.