Possible Clues:

• Not going to
• Word of defiance is a habit
• Tom Petty's "I --- Back Down"
• Replacements "I ___"
• 'I ___ tell!'
• Custom is for beginners to work on new tasks
• ''___ Get Fooled Again'' (The Who)
• Is not going to normal practice
• The Who's '___ Get Fooled Again'
• Inclination