"He was a lot of things to me" "The only conclusion was love"
No matter how Emma gets it back, the important part is that she’s wearing it again. She’s keeping Neal close–just like she’s always done. Even going into the heart of darkness in NL, she kept his sword strapped to her back. If Emma has ZERO feelings for Neal, she really did only keep the necklace to remind herself never to trust anyone ever again, then why would she be wearing it now?! If Neal meant nothing to her–just a former flame and Henry’s father–if she REALLY WANTED TO MOVE ON, why take that symbolic object and put it back on? If the object had lost it’s symbolic significance to her (she no longer cared for Neal, she could never forgive him, she rejected the idea of a second chance) she wouldn’t wear it again. In other words: Emma Swan has never stopped loving Neal. She will never stop loving Neal. And she will show that to the world by wearing her swan pendant