My dad had a Ph.D. in German and taught at the Univeristy of Utah for over 30 years. Like you, he wasn't a native German speaker. He taught me a few phrases and songs as a child. I took German in HS and again in college (40 years ago!). In college, my focus was to take enough credit hours to get a B.A. (I was an English major) and to improve my GPA. I did very well, but my goal wasn't to really learn the language. A year ago, I got it into my head that I wanted to give learning German another try, so I signed up for classes at the university under a Utah law that allows seniors to take regular college classes for $25! So far, I've taken 3 semesters of German (repeating beginning and intermediate classes), but I'm in a classes with college-age students who are paying something like $450 for the same class. I feel a little bit out-of-place sometimes, but I'm actually getting the highest grades in the class. Anyway, I'm now waiting for the results of my final.