Answer:
He believed the Catholic Church got it wrong on salvation
This was (and, for many, remains) the defining difference between Protestants and Catholics. ... Luther believed people were saved by faith alone and that this was the summary of all Christian doctrine, and that the Catholic Church of his day had got this wrong
Bob is just a human like us and feels stuff, its probaly due to his environment and pressures/stress but heck who really knows. Bob is Bob. and that is that.
