He might get defensive. Percy has his pride, and being called stupid would likely make him try to defend his actions and decisions.
Sometimes he could just laugh it off. If he knows Annabeth doesn't really mean it in a malicious way, he might take it as a joke and not let it bother him too much. For example, he might make a witty comeback like 'Well, at least I'm not as stubborn as you!' to turn it into a light - hearted exchange.
Percy could also get quiet and brood. If he's in a particularly sensitive mood or if Annabeth's comment hits a nerve, he might withdraw and think about whether she has a point, which could lead to some self - reflection on his part.
Chapter 347, ""I Want to be the Eagle in the Wilderness", is the clearest early answer because it turns Want's situation into a concrete plot event. The chapter turns that into something concrete by moving from On the way there, Jiang Li had already learned quite a bit about the...
Chapter 473, "Little Hua? What a Joke!", is the clearest early answer because it turns Don's situation into a concrete plot event. The setup is Su Yinwan completely fell apart after hearing the news in the shower,..., but the pressure keeps building through What should we do, Brother Shaojing?.
Chapter 414, "The White Knife Goes In, The Red Knife Comes Out", is the clearest early answer because it turns Sister Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from Third Master really lives up to his reputation; his skills are...
Chapter 428, "Stunning Debut!", is the clearest early answer because it turns Xiao Yi's situation into a concrete plot event. The chapter turns that into something concrete by moving from I'm going to perform a cover of the song 'The Ocean'..." Jiang Shixu...
Chapter 462, "I Will Definitely Be a Good Captain!", is the clearest early answer because it turns Youth Trainee's situation into a concrete plot event.
Chapter 386, "New "Game" Mode", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event. Early on, Seeing Shang Shaojing's somewhat pale face, Su Yinwan's heart felt a.... By the end, After a long time, he finally spoke..
Chapter 431, "Su Yinwan Is Here Too?!", is the clearest early answer because it turns Is's situation into a concrete plot event. A useful checkpoint is the way the scene starts with [Holy shit, why is Su Yinwan on this show too???] [!!!
Chapter 412, "Successfully Landing on the Island", is the clearest early answer because it turns Dragon Ridge Island's situation into a concrete plot event. A useful checkpoint is the way the scene starts with After everyone was fully dressed, several teams began to disembark...
Chapter 515, "You actually kidnapped a man?!", is the clearest early answer because it turns Team's situation into a concrete plot event. Early on, After Miss Su Yinwan left in a huff, Shang Shuyue's mood greatly....
Chapter 247, "Madam, Your 2000 Kilograms of Sweet Potatoes, Please Check and Accept", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event.