Onward!
You Can Teach Better. On the one hand, of course she wants to be a better teacher. On the other hand, someone being able to learn twenty times faster than normal is fairly absurd. Also, what if someone has the same hangups about learning too quickly and easily as she does?
She expects she can get the speedup reduced if she asks for it, but - it also feels a bit silly not to speed up someone's learning as much as you could, when you're actively teaching them something and they want to learn faster.
She could ask to be able to control the speed, but it feels - like an ongoing obligation and a tiny moral hazard, having to adjust the speed of her teaching to her own understanding of how quickly the student would want to learn, which might not even be the same as what the student would choose if it were up to them, because they might not want to be able to choose. Also, what if she's teaching several people at once?
Hmm.
She's reminded of a lesson new druids are taught. On relating to people, and keeping up ordinary relationships - friendships, family ties, even just saying hi to her neighbours - across a power gap that's only likely to grow. It can be unhealthy and harmful, if you feel you're so much more than most other people that you retreat into impersonality. Druids do need to be impersonal at times, to be proper druids, but they're also still people.
She finally learned to become an owl, but she's not an ordinary owl. She has magic and abilities, and even knowledge and understanding, that even Great Hoot doesn't. She's on track to grow in power and the people closest to her are unlikely to keep up. And so -
Some people withdraw into themselves, or keep the company of other druids, or seek out powerful creatures for companionship. Feather thinks of that as - giving up, frankly. She's not going to leave her friends and family behind.
Others try to just - ignore the issue. And this can work, especially if one also makes a clean separation between their lives as druids and their home-life. Feather's vaguely worried this won't work out for her, that she'll end up living in two worlds and half a stranger in each.
Here is a power for teaching her friends anything she has mastered, faster than she learned it so they never fall behind. Put that way, it sounds great. Except she can't (she shouldn't) teach most people to be druids, and she can't teach anyone to have Spirit-granted powers. The people who most directly gain power from knowledge are wizards, and there are no great wizards in the forest. Feather never expected or wanted to become a wizard, it sounds even more distracting for a druid than being a cleric.
Actually...
If you consider them a good friend or otherwise especially close, this applies even to forms of magic that they ordinarily shouldn't be able to learn.
"Squirrel? Could I use You Can Teach Better to teach someone these powers?"