He saw her across the crowded room, a flash of vibrant color in a sea of monochrome. For Liam, it was an instant hit, a jolt of pure dopamine. His brain fired with the urgent message: "This feels good, I want more." He imagined the thrill of the chase, the quick gratification of her smile, the immediate pleasure of her attention. He felt it viscerally, a burning desire to "take" her interest, to cash in on this sudden, intoxicating feeling. His mind raced, already anticipating the next high, the next dose of excitement. Elara, meanwhile, was simply enjoying the hum of conversation, the warmth of shared laughter with her friends. A quiet sense of serotonin permeated her evening, a gentle contentment, a feeling of "this feels good, and it's enough." She was contributing to a lively discussion, giving her insights, feeling connected. Her happiness wasn't a sudden, fleeting burst, but a steady, pervasive glow that reached beyond the immediate momen...