stuck to business

Verb

stick to business (third-person singular simple present sticks to business, present participle sticking to business, simple past and past participle stuck to business)

1. To concentrate on the important matters which are of present concern; to avoid becoming distracted or sidetracked.
   • "[T]here are more failures in the lumber business than in any other I know anything about. Why is it?"
     "Economic waste," put in Merker, who was leaning across the counter.
     "Lack of experience," said Bob. […]
     "No," said Welton, emphasizing his point with his pipe; "it's not sticking to business!...1910, Stewart Edward White, chapter 52, in The Rules of the Game