It has also provided us with the opportunity to spend hours fixing software glitches on our personal computers or filling our heads with useless information from the Internet.
This tip isn't actually really applicable to fiction since there are few parts that don't contribute to the overall story and they can be hard to identify.
We don't remember every single detail of our past because our brains have a limited capacity and we replace useless memories, like middle school locker combinations, with relevant information.
From the moment Joanna discovered she'd pumped out not a useful male heir but a useless girl, she treated Catherine less like a human and more like a receptacle for all her disappointments.