Possible Clues:

• Morbid self-exaltation
• Extreme self-centredness
• It may produce 'I' strain
• Being obsessively concerned about first person's reference
• A name I got, almost by mistake, for excessive conceit
• No lack of self-confidence
• It's all about me
• 'I' problem?
• Obsessive self-regard
• Iago, mean, developing selfish obsession