Related Clues:

• Alter ---
• Dogtag info
• Diva's problem
• Addressee of many requests
• Freud subject
• Pop's partner
• It can get bruised
• It may get a boost
• Personality part
• With 50- and 53-Down, apt title for this puzzle
• Sense of self
• A star may have a big one
• Finger
• Companion of the id
• Tripper's problem?