Hey y'all, so this is the first time that I've posted here, but I've spent ages looking for this fic and have turned up nothing.

001. So, what I remember from it is that it focused largely on Dean creating an oral fixation in Sam. He'd go out and buy him candy, but always feed it to him himself, maybe there was something with the amulet in there but I'm not sure, but continued to do this until Sam would automatically open his mouth if Dean's hands got close enough. 
Edit:: Found here!

002. Any other oral fixation fics would be lovely- I don't mind who has it, with any of these pairings; Sam/Dean, Dean/Cas or Sam/Gabriel

003. This is rather specific, but is there any fic out there with a mostly mute!Cas, and he either only ever speaks around Dean or Dean convinces him to talk? A high school AU or so would be lovely (especially if Dean protects him from the other kids), as would Dean/Cas, but I'd be thrilled if there was anything like this at all.

004. Annnnd this is a super uncommon pairing, but any Anna/Gabriel fics? I remember there being one where one of them wears ridiculously bright shoelaces, and I've had a soft spot for them ever since. 

Many thanks!!