Dhaka, June 25 -- Childhood is the most pleasant phase in one's life. It's accepted universally. Few of the adults hesitate to admit that they have passed their most enjoyable time during their childhood. According to behavioural science, humans normally cannot clearly recall their pre-teen days. But the phase of pubescence remains etched out on the mind. The colours, smells and sounds do not get erased even in old age. There are, however, a few exceptions, like people afflicted with bouts of amnesia.

Apart from its pleasant nature, childhood has other features as well. On being noticeably engrossed with their present times, most of the teenagers are found least bothered about their future careers. At times, middle-class parents are seen...