i.Three periods 1.The 1st Period:youthful optimist 2.The 2nd Period:excitement irritation 3.The 3rd Period:steadily intensifying pessimismi. Three periods ❖ 1. The 1st Period: youthful optimist ❖ 2. The 2nd Period: excitement & irritation ❖ 3. The 3rd Period: steadily intensifying pessimism