No need to be honest or consistent or thorough on a date—just be interesting. Mysterious is good on a date.
Just as it is hard to get the whole story, it is hard to allow a story to tell itself. Poets become enamored of a segment, an anecdote, and are content with nothing more. When this occurs, like the detached tail of a lizard, the story just wriggles and dies.
...impulsive action that comes out of nowhere, that is unpremeditated, unplanned, and unconsidered and is therefore inexplicable.
But if you cut out much of a character’s history, you also cut out much of his motivation for action. ...[W]ith the contraction of narrative time, and with the character’s past chopped off and a possible future truncated or missing altogether, the protagonist simply acts, going from here to there without entirely grasping why she did what she did and often having no idea of how she ended up where she is now. She experiences the tyranny of the present presiding over an obliterated past.