What is it? is it me?

ok its rare that i go to these for advice. but i have a girlfriend im happily been with for 7months. Things have been incredibly amazng beween us up until thee first two weeks of february. it felt like we were keeping distance,we hardly texed, or spoke; questionin ur realtionship<-well the questionin the relationship was me, bkus i have insecurity&&trust problems.. wehad lack of communication. But just yesterday things were going great. things felt as if things were back to normal, like how it was at the begining of or relationship.&& the next day i didnt hear from her. its now been 5days.&& i dont know what to think of it. ive tried callin her and texting her but noting. shes no longer on the computer like she always was. i dont know to think anymore, maybe her phones disconnnected?as well as internet? we love each other wayy to much, and i dout she gave up on us. so idk. plz help me. s my mind will stop wandering.