As opposed to just continuing with life as is? Hmm, it'd depend on the circumstances but I wouldn't outright dismiss the idea of giving my childhood a second go.
Do you feel more fondly about the past, or excited for the future?
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It is easy to go down into Hell;
Night and day, the gates of dark Death stand wide;
But to climb back again, to retrace one's steps to the upper air –
There's the rub, the task.
– Virgil, The Aeneid (Book VI)