LOVEinZTa...I did the same thing too! I was just like, surprise! I'm a Greek! I am the first sorority woman in my family too.
When my Dad found out that I went DG, he started calling my letters "Triangle R" cause he didn't understand. LOL Oh, and sometimes he asks me "how are things going at Lambda, Lambda, Lambda?" (Think Revenge of the Nerds!) I love my Dad's sense of humor!
Surprisingly, my Dad was more supportive of my decision than my Mom was. Maybe because I am his little girl (I have two older sisters, I'm the baby).
But at any rate, yay for Dads and Rush!! LOL