In such situations, one must maintain a state of "observing without thinking," only feeling but not pondering; otherwise, problems will arise, requiring a high level of willpower.
Not only does He Kao face problems, but his transference subjects also face issues, such as unpredictable mental anomalies, indicating a failure in transference.
The first object He Kao attempted Yin Spirit Transmigration with was a vine, but he almost got stuck. It was both good luck and bad, as the vine lacks self-awareness or the ability to self-perceive.
There is also a taboo: one can't repeatedly and for long periods transfer to the same person, as indulging in the experiences of the transference subject can cause confusion in the caster's self-awareness.
Could such a thing happen? It's hard to say! For instance, if you like someone but cannot have them, so you transfer to their partner to engage in activities needing a mosaic… this is absolutely forbidden.
