How does a mother know her child is about to breakthrough her body? Her water breaks and the most intense pain on the planet begins.
Chuck Yeager said that just before you breakthrough the sound barrier the cockpit shakes the most.
So is it shaking and quaking and are you living with anticipation and trepidation and revelation? Then you know the breakthrough is coming. Buckle up, smile and give the thumbs up! Your time is now!