Its a really dark kind of heartwarming, but Bon Bon's plan for life after Lyra:
Heartwarming / Mendacity
"her plan had been, for some years now, to simply not seek out another source of love upon Lyras eventual death, starving herself out of a world bereft of the pony she loved more than life itself. It wouldnt be a pleasant end, but she had been resigned to it. It wasnt the bookends that really mattered, after all, but the stories between them,"