Aunt Zhang didn't doubt Ye Fei's words at all. After all, there was no other explanation for why she had suddenly regained her youthful appearance. Plus, she knew this boy she had watched grow up had some kind of magical ability, so she wasn't suspicious at all.
Unfortunately, before coming back, Aunt Zhang had only spoken to Liu Yiru on the phone and hadn't met the other women.
Otherwise, just seeing Liu Yiru's beauty, which had become even more stunning and almost beyond human limits, would have given her some clues.
Although she didn't figure out the incestuous relationship between Ye Fei and his biological mother, clever Aunt Zhang still gathered quite a bit of information from Ye Fei's words.