Well I know a lot about meditation, so I could give plenty of tips!

You do? [Aang has those moments himself. When he wants to be away, to detach himself. Especially after tragic events. Or when he reflects on his people. So he can understand Eley's thinking - but still feels concern.] I guess it is bad to be confining... and even in the forest there's a chance people'd find you. So maybe the mountains would be better! Being alone for a while can help you to clear things out. It's just bad to stay alone for too long!