Like I said, I thought it was cute! Personally, I think it's charming if someone isn't super smooth; it's endearing to think that they like me enough to be a little nervous.
And if it makes you feel better, I don't know how to flirt
You're in luck, some people like chunky peanut butter. There's no one size fits all method when it comes to flirting. If you're not good at being smooth, don't try to force it. Like, I lack all chill so I publicly shared a list of people I'd kiss and lo and behold, that worked. Maybe you should just try to be direct.
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And if it makes you feel better, I don't know how to flirt
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