To repair with gold is to highlight the beauty in brokenness. (A slow-paced KHR rewrite where Tsuna is a neglected but powerfully captivating Sky, Reborn is Teddy Lupin and needed help, and Harry is the ageless Master of Death with a saving people thing.)
If life gave Iemitsu a choice, he would have chosen her time and time again. But it never did. (In which Iemitsu has two regrets: meeting Nana and having Tsuna.) A gift-fic to Ki-hori-e-te-ao for KHR!SecretSanta 2014.
Protecting the Vongola Don is an esoteric skill that has been passed down through the Vongola Guardians for generations. (Or where there is a reasonable and logical explanation why his so-called friends ensure that Tsuna is drowning in paperwork. Honest. But Reborn doesn't see it that way.)
Five times gravity was optional for Robin and one time it ambushed him. (From yj anon meme)