How much is too much? My friend is obsessed with My Chemical Romance!

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My friend is practically obsessed with My Chemical Romance and I think she needs help. All her house is painted with dark colour that represents My Chemical Romance, she has My Chemical Romance posters couvering every single inch of her bedroom, she has My Chemical Romance in which she says a prayer to before she falls asleep and when she wakes up, she has the My Chemical Romance bed convers, My Chemical Romance cups and plates, My Chemical Romance curtains she made herself. Is that obsessed with the for too much? Does she need help? What should I do?