My dad refers to it as being AR - anal retentive - can't let scheist go. (puns absolutely intended)
Add to it ocd - and it explains why I have Border Collies - absolutely the most obstreperous AR and OCD dogs on the planet. On their own, they never let anything go. Even mules aren't as stubborn as they are.

Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good ...