Good story that rings true all the time. The 5th Beatle (guy who quit the band less than a year before they got big) syndrome is something that many people get usually due to a shiny object that distracts them from what they were originally set out to do.
Sometimes it can’t be helped due to finances and other extenuating circumstances but lack of perseverance is typically the case.
That’s why the most successful people in the world typically attribute perseverance as one of the key traits to success.
: 2 
: 1