What do you mean by "not a minute sooner"?
182148 - -You're not dressed yet?
184551 - We're supposed to start having fun
184551 - in 15 minutes!
188254 - And clearly, not a minute sooner.
By saying "clearly, not a minute sooner" he is making the point that he is not enjoying the other people hassling him and so it's obvious that his fun will not be starting early.
not a teacher
Student or Learner