Increased Temper
Although it might not occur in everyone, alcohol is a depressant that can alter your moods. It can also cause poor concentration and reaction, or poor coordination.
Ambiguous stressors are more problematic because a) fewer clear-cut solutions exist be and c) the individual never knows what to expect.
The first years of life is the period to acquire speech as well as language skills. It would be best develop with sounds as well as sights and constant exposure to the language and speech. There are 4 language skills namely listening, speaking,writing and reading in which the 2 latter ones are not develop during infancy.