She texted me after two month of no contact but I am confused can someone please advice me?

So me and this girl we broke up due to lot of arguments, i did my best to tell her it is normal it is part of relationship to argue and fix things and we go on , we used to share good moments as any other couple , she is 22 and i am 28 , i did my best to fix things and save the relationship, she refused to she said am afraid if we got married which is our plan that we will keep arguing at the same house... however , i ddi my best at the end i said goodbye and after two months she texted me and said i wish for you a happy new year, i was happy i thought she changed her mind but when i asked her she said no, i just came to say happy new year, i tried again she said no am sorry i can not, the convo is over but she is still liking my stories and watch them, and when we talk she laugh at talk like we are still together , i just do not understand, what should i do please and what do you think?

She texted me after two month of no contact but I am confused can someone please advice me?
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