Do you two go to church? You could discuss it with a couples counselor there. There are actually several places where you can get free marriage counseling.
"(it was working until I confronted her about this FB account"
Not really. She just sounded like she didn't want to deal with it and made it sound like YOU were the paranoid.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.