Klaine in Puppy Love:

Colfer told us that Blaine and Kurt remain in their blissed-out state, but eventually they’ll have to deal with certain issues: like the fact that Blaine is a junior. Colfer says that he hasn’t seen any scripts dealing with the age difference (“I was really shocked by that”), and he has no idea if they could handle long-distance. “Kurt has got to get accepted into that school [first], so I don’t know. We’ll see. Maybe Blaine will skip a grade, who knows?”

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