Yes, to some extent. There are many factors that can lead to a wife being perceived as 'nasty'. Stress, financial problems, or misunderstandings in a relationship can cause a wife to act in an unkind or difficult way, which might be seen as 'nasty' behavior.
No. 'Free nasty sex stories' are not appropriate for public consumption as they likely involve vulgar and inappropriate content that goes against public decency.
One nasty wife story could be about a wife who constantly nags her husband in public. For example, she might scold him for small things like how he dresses or his table manners in front of their friends. It makes the husband feel embarrassed and inferior.
There are plenty of great alternatives. For example, adventure stories. They can take you on exciting journeys around the world or into unknown realms.
Well, 'nasty' here might be used to describe some unappealing trait of the 'white wife'. 'Watching stories' could refer to reading or viewing fictional or real - life accounts. Maybe she has a habit of watching certain types of shows or reading particular books that others consider her behavior around it to be 'nasty', but again, it depends on the context.