In such fantasy stories about blackmailing a girlfriend's mom, a prevalent theme could be manipulation. The blackmailer tries to manipulate the situation to their advantage. Also, the theme of family drama might be present. The situation might be presented as a complex web of family relationships where the blackmail is used as a tool to disrupt or control. But we must remember that these are just fictional concepts and should not be emulated in real - life relationships as they are highly unethical.
In most cases, it's a fantasy story. Blackmailing is a serious offense. In a relationship, we should aim for positive interactions. If there are issues, communication is the key, not blackmail. And blackmailing a family member like the girlfriend's mom is completely unacceptable in a healthy society. It could lead to severe consequences for the person who attempts it, both legally and socially.
Another theme is redemption. The blackmail can be a catalyst for the stepmother to change her bad behavior. Maybe she has been mean to the stepchild, but through the blackmail situation, she realizes her mistakes and tries to become a better person.
A sense of responsibility also plays a role. Moms may blackmail their kids into doing something by appealing to their sense of duty. Like telling a child that if they don't help with the household chores, they won't be allowed to have a sleepover with friends. This ties into the idea that the child should contribute to the family in some way.
No, it is extremely uncommon and highly abnormal behavior. Such a situation goes against all norms of healthy family relationships and basic moral and ethical values.
A frequent theme is the sense of power imbalance. The blackmailer often thinks they have the upper hand because they have some 'dirt' on the babysitter. However, the babysitter also has her own strength, like her honesty. For instance, in a story, the babysitter may choose to be honest with the family about what the blackmailer is using against her, and this honesty can turn the situation around. Also, the theme of justice usually prevails in the end, with the blackmailer getting what they deserve.
A common theme is the exploration of trust. When the blackmail situation arises, it shatters any existing trust. For the milf, she may have trusted someone who then turns out to be the blackmailer. There's also the theme of survival. She has to figure out how to survive this ordeal, whether it's by facing the blackmailer head - on, or by trying to outwit them. And the theme of social status can also be involved. If the secret that's being used for blackmail is related to her social standing, she may be desperate to protect it.
One common theme is financial gain. Blackmailers often try to get money from their victims, like in the story where a person blackmails another over some false business deal accusations.
Secrets play a big role too. The wife may be blackmailed because she knows a secret about someone. It could be a personal secret like an affair or a more serious secret related to a crime. In many such stories, the wife is put in a difficult position of either protecting the secret or facing the consequences of the blackmail.
Love and protection are common themes. The mother usually protects the son in the face of danger in the fantasy world. For example, in many fairy tales, the mother might use magic or her wits to keep the son safe from monsters or evil forces.
One common theme is revenge. The ex - wife may feel wronged during the divorce and wants to get back at her ex - husband. Another theme could be greed, like when she tries to get more money or assets through blackmail.