Well, I think your podcast has a title that is not necessarily accurate.
If you are promoting yourself as some sort of expert, you need to think about the ethics.
Anyway, the 8th house factors are often the beginning of the unhealthy attachment....along with Moon position and other factors.
There is NO one answer. To promote the idea that there is, is wrong.
The 7th house is a house of legal partnership. And attraction. Attachment is different....it's emotional. Whereas the 7th, and Libra, are intellectual...air...vs water (4,8,12)