The worst evaluator of the bad smell is the individual himself.

The worst evaluator of the bad smell is the individual himself, and studies have clearly demonstrated the inability of the individual to gauge the extent of their halitosis. Often, people who suffer from halitosis are made aware of this problem when a family member, a co-worker or friend I know. Some of the most common symptoms are:
     * Presence of a white or yellowish in the language.
     * Dry mouth, thick saliva, tongue burning.
     * Taste unpleasant morning.
     * Worse after the consumption of alcohol, snuff, coffee, milk or sweets.
     * The people from chewing gum or give me Mandrakes very often.
     * People departed the face or takes a step backward.
     * Taste acid, bitter or metallic persistent.