Hollyberry came back to the garden to visit Eternal Sugar, she brought Sugarfly cause she missed Pavlova but that's not important. When she walked in she dropped Sugarfly off with Pavlova. And she walked to where Eternal Sugar usually set and saw her with the beast of Deceit Shadow Milk, she didn't want to be nosey but also felt a tiny bit of jealoue, she listened at heard them talking

Shadow Milk: Aww dear did your other half leave you~

Eternal Sugar: Sniff sniff Yes...

Shadow Milk: Dont worry my dear I would never leave you~

Hollyberry realized he was manipulating her which mad Hollyberry wanna step in. Especially since Eternal Sugar had abandonment issues and she was clinging to Shadow Milk her wings wrapped around him and her head buried in his chest as she was sobbing