Possible Clues:

• Keep possession of
• Currently possess
• Partner of hold
• '___ a good one!'
• "What'll ya __?"
• "... to ___ and to hold ..."
• "To ___ and to hold ..."
• Part 5 of today's quote
• Unfortunately, trebly hard after forty, so I've to be considering alternative priorities
• "What'll ya ___?" (barkeep's query)