My Plant Empress Woke Up!

He talks like a besotted husband all day and runs the opposite commentary inside his head, and the empress lying still in the bed hears every word of both, because her mind has been awake since the poison. He arrived in this world as the grandson of the duke who guards the state, in a body that cannot cultivate. His younger brother framed him and took the marriage he had been promised. Then the empress, who had trained her way to grandmaster level, was poisoned and did not get up again, and her claim to the throne was finished. The match nobody wanted was handed back to him, and he was married into her household to a bride who could not speak. The court treated it as a joke. A system is bound to him that makes him stronger every time he touches her. The first task it sets is to hold her hand for thirty seconds, and his cultivation goes from nothing to something in that time. After that he finds reasons to be near her at every hour, keeping up the sweet talk out loud and the complaints in his head, while she takes all of it in and can do nothing. The strength he builds off her begins to work the other way and draws her back toward waking. An army of a million reaches the border and the country is close to going under.