Possible Clues:

• Old friends sometimes make up for it
• Is this what happened to grandfather when not working at sea? Those inside will get this!
• The impact of the delay at the start of 9 across over discharge
• What Marcel Proust was looking for with first four characters in 24 across for those in prison
• Something to make up for
• Make-up possible for ten days in mid-18th century?
• That's when it's mislaid