Possible Clues:

• "Thus with a kiss I die" speaker
• 'R loves me whole-heartedly!' (1 across)?
• Lover with a roving eye
• A great lover - capital nil
• Paris rival
• "Wherefore art thou ___?"
• Verona lover
• Bounder embracing yours truly, Casanova
• Sweetheart's more frenzied love
• One of Shakespeare's 'star-crossed lovers'