Fics like marriage in a bottle

In which the course of a successful marriage is not attained in a day, or a year, or even a decade; but over an entire lifetime, one precious day after the other.

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4. Something to Share by xxSabitoxx (SPY x FAMILY (Manga), SPY x FAMILY (Anime))
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9. she's gonna save me, call me baby, run her hands through my hair by frozenpapers (SPY x FAMILY (Manga), SPY x FAMILY (Anime))
10. the truth as a foreign tongue by cynfiscated (SPY x FAMILY (Manga), SPY x FAMILY (Anime))
11. How I Met Your Daughter by Tuntunaa (SPY x FAMILY (Manga), SPY x FAMILY (Anime))
12. i'm on my guard for the rest of the world (but with you, i know it's no good) by jade_efflorescence (SPY x FAMILY (Manga), SPY x FAMILY (Anime))
13. Catch Me If You Can by nightofnyx8 (SPY x FAMILY (Manga), SPY x FAMILY (Anime))
14. with you, all in tangles by huhwaku (SPY x FAMILY (Manga))
15. love like this (all it does is burn) by eighthdeadlysin (SPY x FAMILY (Manga), SPY x FAMILY (Anime))
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17. i've missed you by adornetly (SPY x FAMILY (Manga), SPY x FAMILY (Anime))
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20. The Age Gap by GentleViking1993 (SPY x FAMILY (Manga), SPY x FAMILY (Anime))