C89 Prince Cheng
Although Song Duo explained a lot, Third Prince was still skeptical of Gu Caiwei.
Song Duo didn't force him to believe it. He even understood that if he and Third Prince wanted to change their identities, he would not believe his words. However, he still had to tell her, so that in the future when they talked about marriage, it wouldn't be so sudden.
Song Duo was a bit apologetic