““The closest we can get to set hyphen rules are that the prefixes ex, self, and all always require hyphens while adverbs ending in ly never do: Goldilocks first told the jury that she had been walking through the dimly lit forest and mistook the three bears’ house for an all-inclusive resort. When the jury seemed skeptical, she changed her story and said she had been in a highly emotional state and was suffering from low self-esteem because her ex-boyfriend Jack left her to climb a beanstalk.””
