"He was a lot of things to me" "The only conclusion was love"
and the whole “it suddenly goes wrong for people for whom it is currently going right” applies to both villains and heroes. Cora was literally seconds from killing Rumple before it caught up to her. Pan was moments from having an immortal land before his plans were thwarted. But also, Graham was finally free of Regina and had his memories back before it ended for him. Things go BAD very quickly when everything is going good for you!