How do I know if I’m becoming easy to get? does that show?

For ex, an ex and I talking he said a kissing emjoi and I sent one back, then he says he he wants to go out so I told him it’s okay we’re going out soon, or you don’t wanna? Then he takes long time to reply making me wait and shit. But I Teasing him in a way. We were flirting a lot yesterday and I am starting to feel I’m being easy to get. How can I keep distance. How should I start texting to not show that?
How do I know if I’m becoming easy to get? does that show?
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