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Keep in mind that the "Seven Deadly Sins" are not grounded in anything objective, nor even the founding of any religion. Rather, they source from religious writings of authors of whom most people ...
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Source: https://writers.stackexchange.com/a/35821 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
Keep in mind that the "Seven Deadly Sins" are not grounded in anything objective, nor even the founding of any religion. Rather, they source from religious writings of authors of whom most people have never heard. They aren't even consistent in that different sources will compose a different list. **The Implications of Lust** To translate a succubus, I would focus on what "lust" actually does to a person. We, in our modern cultures, generally accept that sex and sexual attraction are not problematic themselves. It would be generally agreed that there must be some deeper problem to a "cardinal sin" than mere sexual desire, as that is a very natural (and inevitable) response for most people. So what other problems would "lust" present? As @JasonBassford's comment stated, there's distraction. There's also, when extreme, a disregard for previous commitments such as a voluntary monogamous relationship or a social agreement or contract with one's community or family. It also represents "desire" in a general sense, which is problematic in certain philosophies. **Obsession** However, for this purpose, I would look at the different forms of love/desire in Roman/Greek mythology. Why? Because the god "Eros" was a god not just of sex, but of sexual obsession or "sexual madness". Eros represented that obsessiveness we can sometimes feel when we first form a new relationship, or "new relationship energy" as it has been called. Eros also represents the general obsessiveness one can have for another in a romantic/sexual sense. This is, as many might note, something that is _very_ common in one's early life as one is fluttering around both puberty and [Erikson's life stage of intimacy versus isolation](https://en.wikipedia.org/wiki/Erikson%27s_stages_of_psychosocial_development#Love:_Intimacy_vs._Isolation_(early_adulthood,_20-39_years)). **Relevance of Obsession** This, of course, makes such feelings and behaviors extremely relatable to the young adult demographic. So I think a very natural expression of a succubus might be a **sexual/romantic obsessiveness**. Many young people mistake it for "love", only to obsess about a different person months or even weeks later. Many young people would find the feelings very relatable. And it would be the same basic concept, but translated without the over-the-top sexuality that is typically associated with "lust".