After being harassed every few days and thrown into chaos every week, with the whole of Hogwarts turned upside down, even if Umbridge had the patience of a saint, she would never have been able to stand it. Much less Umbridge, who had never had a good temper to begin with.
The trouble Fred and George caused and the changes they brought to Hogwarts were simply intolerable to Umbridge, with her overwhelming need for control.
However, as time passed and the novelty wore off, matching wits with Umbridge became rather dull and tedious, especially for the Weasley Twins, whose minds were now filled with opening a Joke Shop in Diagon Alley. Having thoroughly established a market at Hogwarts, they only wanted to open their shop and fulfill their dream.
As for that toad Umbridge, once they left school, she would have nothing to do with them.
After completing another round of resistance, Lee Jordan led them back to the Common Room, where they discussed talking to Albert about leaving school and opening their shop in Diagon Alley.
"You'll probably have to wait a little longer!" Albert said, covering a yawn.
"But is there really any point in keeping this up?" George asked, voicing his doubts. If Albert truly wanted Umbridge out of Hogwarts, then even if he did not have a hundred ways to do it, he could surely think of more than ten. Instead, he was stringing her along as though teasing a cat with a toy wand. No, perhaps it would be more fitting to say he was poking a toad with a stick.
In truth, Fred, George, and Lee Jordan all somewhat failed to understand why Albert had them resist Umbridge. Having spent so many years around Albert, their way of thinking had long become more mature