Related Clues:

• 'But -- on forever'
• Go through
• ___ as directed
• Serviceability
• One of 1,001, for many products
• "__ to Extremes": Billy Joel hit
• Homonym for 36-Down
• Take habitually
• Play for a sucker
• "__ Crazy": Paul Davis hit
• "--- sparingly"
• ''___ to Extremes'' (Billy Joel tune)
• Play with
• Walk all over, e.g.
• "Mileage"