Make her feel important and good about herself. Compliment her, never put her down, and always encourage her to reach for the things she wants. Let her know when you see her do something well, even if it's just something small like helping someone else.
How to make her miss you-
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uhh results may vary
Don't drop everything to talk to her.
To make a girl miss you, you can't make her feel like you're at her beck and call. If she texts you and you're busy, don't go out of your way to give her a lengthy response ASAP, unless she really needs one. Instead, give it a few hours before you get back to her.