Whats the best way to get your ex gf to want you back?

I mean me and this girl have been dating for awhile we recently split up, but she tells me we need this break so we can not take eachother for granite cuz we fight and argue and i break up with her alot cuz im stupid, she use to love me so much more than u can imagine and she tells me still she still loves me more than anything even her family, i've treated her like a real for alot of the relationship cuz i wasn't sure if i really wanted to be with her, we aren't really talking at all, do i text her to check up on her and see how shes doing? do i tell her i miss her, do i pretend i dont want to talk to her if we start texting, It would be so hard to ignore her texts but if it makes her want me more cuz she thinks im moving on i will