Help need advice

has anyone been attatched to someone and cant let go? like you know u need to but its hard, thats where me and my babydaddy are right now. we know we need to give eachother time to better ourselves but we just cant fully let go of eachother. we aren't together but we still act like it and idk what to do,we have been thru some things that put avstrain on our relationship but i know we can get thru this, this cant be the end , i really need advice helpp??