I honestly think this album was of a personal thing for Chris amd they just got in ASFOS (probably even re-worked it from the original to sound upbeat). Like this whole era has been a bit meh for me , hopefully the album next year will be better.
They should've released O (Fly On) or one of the bonus tracks. All Your Friends and Ghost Story are both 100x better than Ink.
And they are supposed to release a new album next year, why not wait? They haven't promoted since the first week of June.
LOVE this song. This and Magic have been my two favorites since the album came out. It's also the catchiest track -- other than SFOS, which I like to pretend doesn't exist.
Ink is he best on the album, next to Magic. 
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O would have been a better choice though. This album was perfect btw and ya'll haters can take many seats.