"Go not to the elves for counsel, for they will say both yay and nay" - Tolkien.
Elves come in a mind-numbing variety, second only to Mythology/{{Dragons}} in variety.
Most elves, however, do share a love for nature and an ability to see, understand, and sympathize with a variety of viewpoints that can drive the average human desiring a "yes" or "no" to drink.
Some examples of the potential variety can be found from the Otherkin/{{Elenari}} Nexus links page at http://elenari.net/elves.html .