Why would she behave like this?

A coworker of mine has been behaving oddly around me as of late. At a party at work she had started sitting by me nervously on at least one occasion, and then a second where we were playing a party game and she decides to take my chair so I had to pull up a chair and sit beside her.

When I planned another group outing to see a movie and others didn’t want to go, she said she would be fine going out to see that movie if it was just us. When we did go with one or two other people, she kept asking when she might see me again.

Some time later, about two weeks ago, she asked again when she’d see me next when all I was doing was coming in to grab some things.

Then In the last week she had been behaving oddly around me. She’d still happily fill me in on group gossip, in jokes and conversations, but when I ask about her or try to talk to her she becomes more focused and responds only through short and abrupt answers. I ask if she was ok and she told me she was fine and not to worry with the rosy cheeked smile emoji.

Does anyone have any idea what could be going on in her head?

Thank you so much in advance!

Why would she behave like this?
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