Omega heat is way more than physical need in a lot of the stories I read; it's treated as this total physiological and mental short-circuit. The body takes over. Everything else – thought, loyalty, personal space – just melts away. It's described with a feverish, almost hallucinatory intensity. Senses get dialed to eleven, particularly scent, and there's this overwhelming, painful ache, this craving, that only an alpha's presence or touch can soothe.
What's interesting is how different authors use it. Some lean into the primal, biological-drive aspect, with omegas becoming almost feral, driven purely by instinct to find a mate. Others frame it as a vulnerable, even terrifying loss of control, where the omega's consent and agency become major narrative tensions. The descriptions often blend agony with a kind of eroticized desperation, a push-pull between the character's rational mind and their biology screaming at them.
I've noticed a trend recently where the 'slick' production is described in almost grotesque, visceral detail, which isn't my favorite. I prefer when the focus is more on the emotional and psychological unraveling than the purely physical symptoms. The best depictions make you feel the omega's humiliation, fear, or frantic longing right alongside them.