External aspects manifest in regular, observable behaviour, but is not obligatory. Sometimes even when the flesh does decay the bones themselves will manifest signs of sanctity. Dreams are composed of latent and manifest content. Freud's theory describes dreams as having both manifest and latent content. A single archetype can manifest in many different ways. He can manipulate energy and manifest matter. Alcohol related psychosis may manifest itself through a kindling mechanism. The effects may not manifest themselves for decades. It can manifest itself in one of four degrees. Anti-Markovnikov behavior can also manifest itself in certain rearrangement reactions. Injury to the brain can manifest in many ways. This is where an iron triangle may manifest itself. This may also manifest itself as a difficulty with motor control or with mathematics. Symptoms of schizophrenia typically manifest from late adolescence to early twenties. Laziness may manifest as procrastination or vacillation.