This matter could be insignificant or serious, depending on whether those in power chose to let it go or to make it difficult for you. That's why Liu Qingsong was so anxious to have Ran Yan visit Princess Jinyang, firstly, to show Li Shimin that she took the princess's illness seriously, and secondly, to foster a relationship with Princess Jinyang.
After these days of understanding Princess Jinyang, Liu Qingsong felt that she was indeed different from children of her age, so he indirectly probed whether she might also be a time-traveler. However, the outcome was disappointing. Princess Jinyang was simply mentally more mature than her peers and was still a naive child at heart.
