Yes, I definitely shipped Spike and Buffy for a long time - with a side non-canon ship of Spike/Tara when I needed Spike to get some comfort and tenderness :P
Through most of SPN, I see Destiel as unrequited, yeah... I think Cas has been in love with Dean almost since he's known him. That angel Hester said, "When Castiel laid a hand on you in hell, he was lost!" And I think she was right. I think from that moment, Cas was lost to Dean.
Dean, on the other hand, has spent much of their relationship using Cas, leaving him out in the cold, not helping/supporting him when he needs it... I think around the time of Purgatory, Dean started to realize how much Cas means to him, and we'll see how it plays out in this season... :P
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Through most of SPN, I see Destiel as unrequited, yeah... I think Cas has been in love with Dean almost since he's known him. That angel Hester said, "When Castiel laid a hand on you in hell, he was lost!" And I think she was right. I think from that moment, Cas was lost to Dean.
Dean, on the other hand, has spent much of their relationship using Cas, leaving him out in the cold, not helping/supporting him when he needs it... I think around the time of Purgatory, Dean started to realize how much Cas means to him, and we'll see how it plays out in this season... :P