Sensory issues are a big part of those being Left of Normal. A lot of it is seen as just a weird quirk to those that don't understand it.
Recognizing, and guarding, those issues are what help us to remain focused on what's actually important... for instance the words coming out of your mouth instead of the piercing gaze you insist I stare into.
But the other senses come into play as well. This episode gives some insights.