Jamie Luray's "Trust" starts small, calling trust "a simple word," and then pulls it in two directions at once. In just a few lines it "means a lot," "means the world," and then "means nothing." The speaker seems to know both sides of trust: how huge it feels when you have it, and how empty it can turn out to be.
The second half shifts from the word to what it promises. Trust becomes a "perfect dream," a "perfect wish," a "perfect feeling." The repetition of "perfect" builds up an almost too-good picture, and then the last line breaks it with "the perfect demise." Using the same word for something so final suggests that the perfection was fragile all along, or that trusting someone led to a painful ending.
The mood is quiet, bitter, and a little numb. The short, flat lines sound like someone who has stopped arguing and is simply stating what happened.