I'll get right on that - A lie you tell to make yourself feel better, even though you

A lie you tell to make yourself feel better, even though you know you're not going to do the thing you said you'd do.

'I'll get right on that,' he said, then spent the whole day arguing with his dog.

'I'll get right on that,' she said, then spent the whole day crying in the bathroom.

'I'll get right on that,' he said, then went to play Fortnite and forgot about it.