Just as voice 1 is Selkie’s perception of the Mythological Selkie, Voice 2 is Selkie’s perception of the Mor’Kama Maiden

Unrelated to Selkie, but my cousin showed me this and I freakin’ love it. It’s kids at a Band Camp covering Tool:

A rule of thumb I have is that Selkie speaks without pluralses in dreams, fantasies, mindscapes, and when writing things out (such as her "buff butterfly" science essay). My basis for this is that Selkie "hears" her own voice and thoughts as perfectly normal, so in her own mind, she talks/thinks in normal speak.