So How Did I Become Queen?

Li Yuanji couldn't figure out how she became the queen. There was no intrigue as promised. She doesn't like to be jealous, so it's fine to eat and drink without fighting. It was promised that the imperial concubine would be jealous and frame the palace concubine, but it was not true. The imperial concubine is obviously super gentle. She always likes to go to the imperial concubine's palace to eat and drink. So, how did she become the queen?