I think there's an anxiety in life where we automatically tend to look to the next thing or we're complaining about the past. Worrying is not going to make it happen or not happen.
When I entered medical physics in 1958 there were fewer than 100 in the U.S. and I could see many opportunities to apply my knowledge of nuclear physics.
The aim of the tests carried on with these syllable series was, by means of repeated audible perusal of the separate series, to so impress them that immediately afterward they could voluntarily be reproduced.