Ok I only read your last post so here is my limited advice
3 months is long enough, don't be needy and get caught up on it.
You don't get a girl back by convincing her you belong together or by trying to rememind her of how close you were
You get her back by being the kind Of person she is drawn to
That is - alpha, confident, aloof
There are no magic words. You want some? They don't exist. We are PUAs, we teach you to be stronger, we aren't genie's
You want the rest of my advice, it's here RB - so you want your ex back