Why can't Gordon get headcrab'd?
Yeah, I understand for the game's sake, being headcrab'd upon contact with one would be a bit unfair. But in reality, why can't any headcrab latch onto his head? I mean, they jump pretty high when attacking, so its not a problem of reach...
Is his suit designed to repel headcrabs or something? Or is it just something they've ignored? I've always been confused.