Waking in the early morning ,I can't fall asleep any more .Too many ideas swirling in my mind .We had a pretty wonderful class party last night . Those scenes are still fresh though a little vague ! We ate ,drunk ,talked with each other ,made jokes on someone and laughed aloud .It's noisy .But a class should have such atmosphere ! I felt a little exciting and therefore behaved a little too active . I felt happy most of the time .But there were several transient moments during which unnamed sadness flooded into my heart .I do wonder why till now……­