My gf and i had a misunderstanding. i kinda controlled her. she tld me to chnge. hw cn i gt her back?

we bth were vry true to ech othr. . i usd to tel her to do thngs.. few she likd few she did not . but she nvr tld shez uncomfortable wit it .. so i was the same. many fights came .. now shez telling she ll b my frnd oly .. but i cant live without her . evn fr a single min.. plz i want oly relevant answers. how cn i gt hr bck . plz hlp me ;(