What does it mean when a girl says she didn't want to bother me?

What does it mean when a girl says she didn't want to bother me?

i've known this girl for 2 years and recently we have become very close, she texts me everyday and we do hang out, go to movies and dinner etc. She has said things such as

- You mean a lot to me with a red love heart
- So much love for you face blowing a kiss and red love heart ( She was drunk)
- Andrew. I love you you re the best ( She was drunk)
- I love you and I would do anything for you ( She was sober)
- I m scared of losing you
- I feel safe with you
- I am so devo I didn t get to know you sooner

She then started to become very quiet with me in ways such as taking forever to reply and sending me short responses to the point where I didn't know what to say in return. I then didn't text her for 4 days and there was no contact. Then she messages me saying " Hows uni bee? I feel like you've been really quiet and I didn't want to bother you haha. We should catch up soon x''

What I don't understand is how come she said that when I thought she was been quiet so I did the same. We sent like 10 messages each in like an hour last night. I am also under the impression she is trying to make me jealous by saying things like all these guys are talking to her but according to her they are all creepy; she says that to her girlfriends in front of me. She also said shen went out with people to this bar, but specifically stated she went alone. But didn't state who these people were. Also I was with her in a nightclub and this guy kept putting his arm around her but she wasn't reciprocating and she looked at me when this happened. I walked away and she came after me and randomly touched me on the shoulder.
What does it mean when a girl says she didn't want to bother me?
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