>>120959565Once in a Lifetime is intrinsically about the unrestrainable passage of time, and the nature of the working man to fall into an unconscious half-waking autopilot routine of life.
Byrne himself had said: "We operate half-awake or on autopilot and end up, whatever, with a house and family and job and everything else, and we haven't really stopped to ask ourselves, 'How did I get here?'"
If we're moving into theory-crafting territory here, a key phrase in Byrne's quote is "half-awake". Ena's bifurcated nature could be explained as half of her self being inactive or suppressed, and her aloof careless mannerisms, and unpredictable outburst could be her operating on some kind of mental autopilot due to not being fully complete.
