Those are just a few fears that plagued him, along with an unhappy childhood with quarreling parents, not fitting in at school, and just the low-level non-stop terror that the mind inflicts on everyone who doesn’t know how it operates.
When he discovered how the ego-mind and its negative bias runs our lives instead of us running it, he was able to get out from under its tyranny and start to control and master it. Now he could use it as a tool, instead of letting it using him as its tool. This brought him freedom from the never-ending emphasis on lack that is the focus of the ego-mind, which always wants more, more, more and is never satisfied with what is.