Forgotten Birthday/Playing With

Basic Trope: A character believes his/her friends have forgotten his/her birthday, but it turns out they didn't.
 * Straight: Bob thinks Alice and the others have forgotten his birthday, but it turns out they remembered and had been planning a birthday party for him all along.
 * Exaggerated: ???
 * Downplayed: ???
 * Justified: They are preparing a surprise birthday party for Bob.
 * Inverted: Bob forgets his own birthday.
 * Subverted: The other characters really did forget Bob's birthday.
 * Double Subverted: They are all just that good in acting.
 * Parodied: Everyone really forgot Bob's birthday. Alice remembers it right at the last limit and call everyone else to stage a short-times surprise birthday party for Bob.
 * Zig Zagged: ???
 * Averted: ???
 * Enforced: ???
 * Lampshaded: ???
 * Invoked: ???
 * Exploited: ???
 * Defied: ???
 * Discussed: ???
 * Conversed: ???

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