Related Clues:

• Preserves
• Doesn't give up
• Keeps
• Holds on to
• Continues to hold
• Keeps possession of
• Hangs on to
• Holds back, keeps
• There's no give in this
• Doesn't lay off
• Keeps modifying 4, 14, or 17
• Keeps breaking down in tears
• Hires to handle the case
• Doesn't forget
• Keep finding alien in the showers