Porn & the Insatiable Libido
For sound genetic reasons, the male libido is constructed by evolution to be an unscratchable itch, a desperate, unsatisfiable urge.
In this respect, it’s essentially the same as hunger: it’s meant to be unending, and overwhelming when brooked, and only temporarily satisfiable.
Just as you aren’t meant to wake up one day and say, ‘Oh I’ve had six thousand meals, I think I’ll stop eating now,’ so men aren’t meant to wake up one day and think, ‘Oh, I’ve ogled five hundred girls, think I’ll stop staring at them now.’
Men are therefore the hummingbirds of sex, constantly up for it, perpetually famished, always seeking
from Sean Thomas's 'Millions of Women Are Waiting to Meet You: A Story of Life, Love and Internet Dating'
https://www.amazon.com/dp/0747585563/ref=cm_sw_r_tw_dp_x_B.HfAbFA2A0MY