Yes Castiel’s line was originally ‘i always come when you call’ to Dean but I added the ‘will’ as a personal change.
The line was always something I was able to relate to and as time passed I could still relate to it, just for different reasons. Now however it’s not as relatable and not a line I particularly like anymore.
forevergoingdownwiththisship is just something I thought up and thought we’d all be able to relate to it being hardcore fanboys/girls of sort.
It’s gonna take a while to get used to not being iwillalwayscomewhenyoucall, that’s for sure.