I don't think that's necessarily it.
I mean a lot of people with short hair can look older than their actual age as well. It's totally dependent on a number of other attributes for each person, as well as their type and style of hair.

See what happens when I don't have to study...I'll jump on any old thought band wagon.

*kicks Juliet's internet for her* Stupid thing!
...though it might be uncooperative in an effort to persuade you to study...?