IM SO PIST OFF RITE NOW I NEED SOME HELP PLEAZE!!?

ok i waz txtn thiz girl i really like nd i cunfessed 2 her bout a week ago nd we where tight friends until i told her i liked her then things between us changed she stoped txtn me nd calling me nd when i woud try nd make plamz with her she alwaz haz an excuse nd i waz txtn her rite now nd i said wat u doin she said nutn then i said wat u guna do 2marow nd she said im guna go do this guy im guna go do thiz guy nd she kept saying it over nd over she know how i felt about her nd she did dat anywaz should i kep bein her friend or juz 4 get about her