Possible Clues:

• With compulsion, former pupil scattered seeds around front of school
• Utterly preoccupied
• Showing excessive or compulsive concern with something
• Tormented by what neurotic will do in the centre of Sweden
• Single-minded alumni scattering seeds
• Excessively concerned with something
• Held up by stewardesses, boy's preoccupied
• Overly preoccupied (with)
• Preoccupied by Russian flower seeds dispersed around back of the sheds
• Not just focused