Why she no longer like to talk to me out of the blue?

This girl who I’m friends with. We spent a lot of time together. We flirted with each other and hung out. I started to like her and she started to like me a lot. She would call and text daily. This went on for about a few months. Then I got a promotion and left the location we worked at in the same building.

then she started going through depression and didn’t want to talk to no one. She kept to our prior plans and went to this group outing but didn’t talk much to anyone. She also went on her trip out of the country which her and her bestfriend planned for a year.

she’s back after 2 weeks and she’s talking to people but she’s very irritable. She told me that she no longer like talking to me as much as she used too. That she don’t know if we would ever get like we used too. But she said we can talk like we used to and hangout. We both just been busy.

why she doesn’t like talking/being around me any more like before when she was clingy?

Why she no longer like to talk to me out of the blue?
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