You're just starting to figure things out. Don't give up!
For me, I felt socially inept - AS A JW! Once out from the cult, things have changed for the better. Sure, it takes time to learn, and you make mistakes along the way... but so does everyone else! From what you said, it looks like your own insecurities are the main cause that this relationship is suffering...
Please watch the video below. I only have 2 words of advice for you:
Surprise yourself! =)