Seeking expert testimony is a sign of strength. A personal relationship with a caring professional is proven clinically effective.
I believe that I can help you with this issue.
It is only a concern if it causes disharmony or friction between you and your husband.
It might be, if this seems a bit serious to you, that your husband may suffer from a personality disorder known as Obsessive-Compulsive Personality Disorder (OCPD), which is not the same as Obsessive-Compulisve Disorder (OCD).
People with this disorder have a preoccupation with control, olrderlikness, and perfection, which overshadow qualities of efficiency. They are often absorbed with details, lists, organizaition, rules, schedules, and can't see the forest for the trees because they are immersed in details. The can be perfectionists or workaholics, will not delegate tasks, and may be stingy.
This may not describe your husband. If it does in any way, let me recommend this book.
I wish you great success and shall keep you in my prayers.
Elliott, MAE, LPCC, NCC, CCMHC