How do you push away someone you like?

How do you push away someone you like?
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+1 y
Reasons could be it's not the right moment, it's not appropriate to go on, realizing it wouldn't be a good match, etc.
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+1 y
I told her but she made some good arguments and I have to admit that logically she's right.
However I have the feeling that as always what I want is never respected and I always get screwed over.
Maybe it's just "negativity", let's see what happens.
How do you push away someone you like?
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