3 Days, 9 Months, 27 Years (The Time Traveler's Passport)

by John Scalzi

What most of them hope for is to change the life of the younger version of themself, so they will not make whatever personal tragic mistake the older version made. To chase after that person who they could have 27loved but didn’t, or to make that financial investment they missed, or to avoid getting into that one car on that one night, or whatever.