sefsi experimental gismu

x1 is/are related to itself/himself/herself/themselves by relation x2

Compare with sevzi and simxu. -se'i- proposed as rafsi for "sefsi" since "sevzi" doesn't really need much a final rafsi.

In notes:

x1 is aware that they cannot make music x2 but nevertheless tries and fails to do so, thus increasing their jealousy and self-hatred resulting in mind-state x3