That's a double edged sword because the therapist you choose has a singificant role to play in your understanding of focus and it's level correlation with age. Your therapist's a bility to diagnose is stringly correlated with your ability to communicate the nature of your work. Every other thepaists you go with with your query will give you a different answer. In other words, it's a very subjective process and hence double edged. It's not cut and dried or objective like analysis, which as an engineer, you are likely good at.