Technology is important in our daily life. Technology refers to the collection of tools that make it easier to use. Technology is easy for , exchange information. It has made our life easy and so fast.
Sounds like she's just trying to make you feel bad .. And she succeeded. You have to do what's right for you and your family first. If she can't understand that .. She's not the right girl for you.
You're not a douche.
But I know what it feels like to be an insecure woman. Maybe reassure her that you care for her, but truly need some space for the reasons you listed.