To the younger “Heartstopper” fans, however, it’s likely to feel like high drama – exactly as it did for us when we were going through it ourselves. That doesn’t mean it doesn’t have its share of dark moments – it wouldn’t be “Heartstopper” if it didn’t, would it? The final installment, having brought Charlie, Nick, and all the rest to the cusp of young adulthood, brings a suitably more mature level of problems into the mix. Still, it’s Nick and Charlie’s story above all else, and naturally the main focus of this finale is on them. That’s why my choice for the second word we can use to sum up “Heartstopper” is “aspirational.”