She Knew His Identity and Still Complained: The biggest source of friction. Amber revealed she knew Mark was Invincible, yet continued to berate him for being absent or "flaking" while he was literally out saving lives.The Upstate College Confrontation: During the college Reanimen attack, she verbally tore into Mark for seemingly abandoning her and her friends, despite the fact that she knew he was Invincible fighting a cyborg-zombie horde to protect them.Gaslighting Tactics: Viewers often felt she manipulated the power dynamic of the relationship, trying to make Mark feel like a bad person for holding onto a secret identity that he used to protect his loved ones from supervillains.Lack of Empathy for a Teenage Superhero: She frequently demanded 100% of Mark’s time and attention, showing a fundamental unwillingness to understand the massive, world-threatening pressure he was under as the planet's newest protector.Contradictory Writing: Many fans felt the writers handled her character poorly in Season 1, making her do an illogical 180-degree turn in the writing that left the audience feeling alienated.Forcing Mark to Yield Control: When the truth about his superhero identity finally came out, she turned it into a massive issue of control, making herself the victim of the secret.Condescending Attitude: Her tone and interactions often came across as overly harsh, treating Mark's heroic obligations as personal slights against her rather than necessary duties.Pacing Problems in the Romance: In Season 2, the show's pacing heavily shifted focus to their drawn-out, rocky breakup, which many fans felt dragged on for too long and sidelined more exciting comic arcs with Atom Eve.Irritating Secondary Subplots: Her constant monologues about her charity work and the comptroller's office occasionally felt disjointed from the overarching superhero narrative, boring viewers who tuned in for the action.