2. "idk what will happen with the relationship" In response to In response to 0
but have you tried therapy?
whatever's going on with any insecurity, and even more than that, how you felt around her at a point where y'all barely knew each other, has very little to do with her, how she felt, or anything that she actually did or did not do.
it's just something to think about, and once you understand your own feelings better, you can decide if they're the problem they feel like now, or be better able to express to her what you're concerned about and why.