Related Clues:

• Humility obstacle
• Self-indulgent type of trip?
• Kind of boost
• Cause of star wars?
• Psych subject
• It sometimes needs a massage
• Lack of modesty
• Star quality, perhaps
• Chutzpah source
• Id partner
• Freud's study
• A diva has a big one
• Id modifier
• I, as in personality
• Praise might make it swell