In truth, Lisa could sense Uchiha Ken's feelings for her. She was an experienced ninja, after all. No matter how mature a young ninja might be, fooling her was no easy task unless he had undergone professional Anbu training.
Besides, over her years of providing psychological therapy, Lisa had encountered others who developed feelings for her because of their treatment. She understood, however, that this resulted from the emotional intimacy established during therapy. To some extent, it was a temporary illusion.
When she was younger, Lisa had not understood this. Since she had also been looking for someone to share her life with, she had given it a chance, only to be disappointed. Over time, she gradually came to understand the reason, and as a result, she was still single.
Among the many ninja with psychological problems, members of the Uchiha Clan undoubtedly suffered the most severe cases because of their kekkei genkai. When Lisa first took Uchiha Ken on as a patient, she had sensed that this might happen. He was still a teenage boy, after all, at an age when curiosity about mature women was natural.
Even if Uchiha Ken was not particularly concerned with appearances, it was perfectly normal for someone with serious psychological problems to develop an emotional dependence on a female therapist. As she had done in the past, Lisa maintained the appropriate boundaries with him. Since this dependence was only temporary, the other person would gradually move past it with time. She believed Uchiha Ken would be no different.
However, Lisa might have underestimated the Uchiha Clan's devotion to their feelings. Their kekkei genkai was born from emotions so intense that they seemed capable of destroying those who felt them.
Because of the war's demands, Uchiha Ken was to be secretly transferred to the