Invincible: How much younger does Monster Girl get when she transforms?

Invincible, both the comics by Robert Kirkman and the animated series on Amazon Prime Video, feature a ton of different superheroes with a ton of different powers. The title character resembles Superman, with the powers of flight and enhanced strength. Dupli-Kate can make copies of herself, Rex Splode can make any object blow up, Atom Eve can rearranged the atoms inside any object, and on and on.

One of the most intriguing heroes is Monster Girl, whose real name is Amanda. Thanks to a curse, Amanda has the power to turn into a giant, green, super-strong monster not unlike the Hulk from Marvel Comics. The catch is that whenever she does this, she gets younger. Monster Girl is 25 years old during the first season of Invincible, but looks like a young teenager.

But exactly how much younger does she get? In the fifth epsiode of Invincible's first season, "That Actually Hurt," Monster Girl gives us our biggest clue. After the Guardians of the Globe have an argument following a mission, Amanda storms off with this indictment: "As usual, I'll be the only person who only sacrificed something, since I'm now a week younger than I was yesterday."

So Amanda gets about a week younger whenever she transforms. As a superhero she transforms a lot, so this is a problem. Her boyfriend Rudy, also known as Robot, is trying to fix this problem for her. But we'll have to wait until season 3 to see where his investigation leads.

This also raises the question of whether Amanda could age somewhat normally if she just didn't transform for a while. In theory, if she transformed once every two weeks, for example, she could age, just slower than normal. But the life of a superhero is unpredictable, so it's tricky.

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