What do I do now this girl is so confusing?

Question

What do I do now this girl is so confusing?

we've been talking to her for 5 months i bought her flowers candys a card to make up her bday she said she wanted be friends but yet she acts like a girlfriend flirts a lot then thanks giving she was texting me saying she saved the rose and reads the card over and over then Monday i called her she was acting really differnt acting kinda bitchy i had ask when am i gonna see you she's all i busy i been working 2 jobs im like ok i told then she says something bout i barely know when i said dude we been talking for 5 months and hung out few times she was like stop i don't wanna talk bout it then b4 that she had talked bout the flowers i said time for some new ones she's all no ur good so i was like why are you so scared and why say all that stuff which i mean flirting and saying lets cuddle and saying she saved the flower and card then i hung up on her i got mad and posted on my fb and said i guess 5 months doesn't count as getting to know someone she textd me next daying saying you posted what we talk boutd and thats childish and ridiculous i never textd back do i say anything back what do i do just back off i really like her but she acts one way then does another i think she's scared but won't admit it