Ah here. “Acting your age”. I did a study on social expectations by age by using the phrase, “acting like a [x] year old”. Huge dataset, perhaps questionable hypothesis, but no worse than any other statistical analysis out there. People tend to expect things of you at certain ages, and then you expect them of yourself because of it. Silly ultimately, but society can have a strong pull that can be hard to break from. It’s worth it though.