Does she stll like me or wtf?

OK THERES THIS GIRLS WHOSE MY EX SHE DUMEPD ME NOT TOT LONG AGO AND NOW SHES DATIN A NEW GUY BUT IDK SHE ALWAYS DOES THINGS AND THEN LOOKS BACK TOO SEE IF IM LOOKING THEN WHEN EVER I SEE HER ALOT SHE ALWAYS SAYS HI TO ME FOR NO REASON AND THEN SHE'S IS ALWAYS GETS MAD AND LOOKS STRESSED OUT WEN I DONT SAY HI TOO HER AND JUST IS JUST HER RECENT BOYFRIEND AND WHENEVER I DONT SAY HI ABCK SHE'S ALWAYS IS AID HI TOO YOU AND WAITS TILL I SAY HI BACK AND SHE ALWAYS STANDS BY ME AND WAITS FOR ME TOO TALK TOO HER WHN HER BF AINT AROUND AND WHEN HE IS AROUND SHE STILLS AYS HI TOO ME IDK IF SHTHINKS SHE MADE A MISTAKE OR IF SHE DOESNT CARE ABOUT ME IDK BUT CAN ANUONE TELL ME WTF SHE WANTS FROM ME OR WTF SHE IS DOIN