Possible Clues:

• Injured miner is caught close to incoherence in talk of the past
• Concerned with short skirts, Anglicans talk about the old days
• Say what one remembers about car since cutting in
• Remember soldiers and dresses before church
• Talk about old times — I'm sincere (anag)
• Think back
• Talk like an oldie about sixties attire, extremely commonplace
• Think of the past mercies in convertible
• Talk about the good old days
• I'm sincere arranging to take trip down memory lane