She doesn't know how she feels now?

I will not type a 1000 characters backstory , amma get straight to the point...
She says she feels great with me and I make her confortable but afterwards , when she leaves me , she feels stressed or guilty for hugging or kissing me or something... what the hell is happening?
NOTE :" She has never been in a relationship before"
She doesn't know how she feels now?
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