Somethings this is based on how a subject is taught, but other times I think this is simply maturity and focus. I have a much easier time reading through a dens

Somethings this is based on how a subject is taught, but other times I think this is simply maturity and focus. I have a much easier time reading through a dense book as an adult. As a kid, I couldn't sit still, I couldn't make myself care about the topic. Although to be fair, history textbooks are often really terrible.