Possible Clues:

• Be abrasive on
• Attrition
• Fade, maybe
• Tear go-with
• Accept wife's appreciation of music
• Sport put the East in conflict
• Represent, as a designer at a fashion show
• Struggle to cross East River
• Word that can mean 'deteriorate' or 'resist deterioration'
• and 24 Across: Victory in which heart is broken to become less convincing