Generally and often, happiness is expressed through the means of laughter. The experience of happiness and the subsequent laughter is associated with a trigger (the spontaneous opportunity to be happy). Because of a more complete understanding of implication, a greater range of triggers exist for adults. A child's range is much narrower and the triggers tend to be more simplistic. Something an adult laughs at may not be perceived as humorous by a child and vice versa.

It must be said however, that the average child tends to laugh more often than the average adult. In order for the trigger to act, the individual must be at-peace. If not, a decision must be made to be at-peace, so that happiness will naturally follow.

In addition to this, the degree and nature of happiness is directly linked to the nature of the trigger that sparked it. In an interaction, a series of triggers can occur to produce a chain-like succession of happy moments, separated by feelings of at-peace...