I'll be a sec - A magical promise that only works if you're willing to wait

A magical promise that only works if you're willing to wait for at least 45 minutes, and even then it's a maybe.

'I'll be a sec,' he said, then came back 46 minutes later with a drink.

'I'll be a sec,' she said, then came back 45 minutes later with a side of regret.

'I'll be a sec,' he said, then came back 45 minutes later with a story about his dog.