Little Shop of Horrors achieves comfort-film status not through quirky charm and rewatchability. Through its refusal to comfort you at all.
The film's ending tears up the musical's contract with its audience. Chaos resolves into harmony, the couple kisses, and the curtain falls on something restored. Little Shop does the opposite — the lovers don't survive, the evil wins, the world ends not with redemption but with a plant's appetite finally satisfied.
On a first viewing this hits like a betrayal, the tonal whiplash genuinely destabilizing you. But something changes on the second watch and every rewatch after. You stop bracing for the redemption that never arrives.
Your body learns, somewhere beneath conscious thought, that this film will disappoint you in the exact same way each time. That predictability becomes the comfort — not a relaxation into charm, but into the knowledge that the director already refused to give you what musicals are supposed to give. He'll refuse again. There's a strange relief in knowing exactly where the knife comes down. This is how genuine comfort works in situations where something has already hurt you. The second time through a dangerous place, you're calmer not because danger vanished but because the specific geometry of danger is now mapped.
You're not relaxing into charm—you're relaxing into the knowledge that the director already refused to give you what musicals are supposed to give, and he'll refuse again, and there's a strange relief in knowing exactly where the knife comes down.
Your nervous system stops scanning for threats it can't predict and settles into the one it recognizes. Familiarity and comfort are not the same thing. Comfort is what happens when you've already lost and you've confirmed the loss will happen the same way again. Audrey stays dead, the plant wins, you already know this, and your hands relax.