Guys, How do you act after rejection?

When rejected (twice) how do you act toward the girl? Especially if the girl is still texting first everyday?

Do you cut off all communication even if they say "hey", and not reply? Or do you just talk short to them, replying to only what they text you? I mean as someone who's still interested in them, there's no purpose in having a fake friendship in hopes that they'll crack.

Basically, How do you react after rejection? Especially if you're still interested, yet they keep trying to talk, hang out, etc. And how do you approach it if you know that there's someone else that has their eye?
Guys, How do you act after rejection?
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