Adventures, immersion, episodic experiences, are fight-and-flight mediated explorations of our cultural dimension, a world of story. As cultural beings that inhabit landscapes of imagination. Immersion is self-reinforcing, recursive feedback, and the stimuli to drop-out needs to exceed to instinct to excite and arouse, fight and flight, adrenalin.
Like Hoyle Leigh wrote in his seminal work Genes, Memes, Culture and Mental Illness (1), any form of stress response, any exciting experience, good or bad, inspiring or pathological, triggers a rabbit hole effect, a journey beyond the present,
"...the fight-and-flight response diminishes the number of hippocampal neurons and causes attenuation of the hippocampal dendritic connections resulting in a disconnection between long-term memory (resident memetic store that may attenuate the stress response) and current stress meme infusion, a favorable circumstance for invasion of new memes..."
That feeling, that drop, oxytocin and endorphin-bathed gravity - home.
(1) Leigh, Hoyle (2010), Genes, Memes, Culture, and Mental Illness, Springer