Possible Clues:

• By dint of being uncultured at last
• No longer going out together, it's clear
• From beginning to end
• Finished; by way of
• Non-stop - finished
• I Heard It ------- The Grapevine (Marvin Gaye)
• Pitched the sound from one side to the other
• Per
• By means of - by way of
• Finished with a boring activity?