Possible Clues:

• Experiencing one success after another
• Having continuing success entered into register
• Being continually lucky registered somewhere?
• Colloquially, enjoying long-term successes
• Where butter may be found in the groove
• With continuing success, have jam here?
• Marge might go here, being successful
• Having continued success, Jonah's content to wallow
• Continually lucky electors' names found here
• Having continuing success