Possible Clues:

• Typical practice
• Pull back, adopting new custom
• 'They ___ Go When I Go' (Stevie Wonder song)
• Petulant refusal is the custom
• Accustomed (to)
• Decline to
• Contraction of refusal
• 'Can't stop, ___ stop'
• 'This __ take long'
• "This __ take long"