Point of Inflection
In differential calculus: the point on a curve where the curvature changes sign from +ve to -ve or vice versa; analogous to a point on a bend where the steering is momentarily straight whilst turning from left to right or vice versa In real life: the precise moment it finally sinks into a bloke’s thick skull that the girl he’s had a crush on for the past month is about to ease him into the friendzone ...