Here are riveting quotes from two adult students:
The Italics are my emphasis.

1) “I feel like I’m in the adult student ghetto, where much latitude is given and few results are expected. We’re all supposed to be doing it ‘for fun.’ In a way, of course, that’s right. But in another way, if we wanted pure fun we’d spend our free time riding roller coasters.” http://www.mymusiclifeblog.blogspot.com/

2) “Here’s what I believe teachers often find among adult students:

“Wanting to be able to play favorite music without taking much time and without getting into depth that would create musicianship. That is the experience, and therefore the expectation with adult students.

“Result: Either adult students are rejected by good teachers (leaving us with those who have to take anyone), or the teaching is geared to that mindset. This is the general picture out there.”

“…. Supposing that the adult has…