When you feel like you're the shittest person in the world, when everyone else is having fun and their problems like "my boyfriend has been quiet today" are given more attention and sympathy than you've ever received. When you feel like complaining reveals an awkward truth about society that "winners" would prefer to pretend doesn't exist, so you either become ostracized or have to pretend everything is ok when In fact life is an endless struggle where everyday you are tortured by the world around you, with no reward is sight.
When girls get sympathy when they have to be separate from their boyfriend for a week. But no one gives a fuck that you have always been lonely, and are falling apart because of it. You feel like a lost kid inside but society sees you as a threat. You try to approach people but society sees your desire to connect as "creepy". Your natural sex drive is referred to as "perversion."
That's when there is no place like incels.is. to know you have kindred spirits, changes the nature of the agony, into something more like a black comedy.
And there's always a tale of some 53 year old who has somehow never had eye contact with a gender that makes up 50% of the human population, or something along those lines, to make you think, gee. maybe I don't have it that bad