Can't make the first move

[EssentialAspiration]

Okay, me and my girlfriend have kissed and that but she's always the one kissing me. I can't bring myself to do it and I don't know what I'm so afraid of. Any advice?

[Tesserax]

If you're okay with public kissing, after class one day you should surprise her at her locker and give her a quick smooch, on the cheek if you're shy, and hug her from the back. It'd be cute, a little embarrassing for her, but she'll love it. If she doesn't, she doesn't actually like you, or was just surprised. But if she acts all defensive, chances are she doesn't actually like you. Also, your issue seems to be a confidence problem.

I'm going to take a stab in the dark here and guess a couple of things about you, some of which will likely be true, there are a few possibilities:
1. You're not confident in your relationship
2. You're not confident in yourself
3. You don't actually like her
4. You know she doesn't like you, or is cheating or something on her part
5. You feel something holding you back, something nagging at you to tell you you shouldn't, or something mental like that

If 1, try to figure out why you don't feel the relationship is stable, and work to improve it if you can and wish
If 2, try to think of why you feel you're not worthy of kissing her, or of why you're so afraid and try to fight it
If 3, well, this one is self-explanatory, you don't like her...
If 4, try to deal with the problem, help her if you can or need to, but only if you want and if she is willing
If 5, it is something likely from your childhood, from parents telling you not to kiss girls, you can't have a girlfriend, etc. that is impeding your ability to act on a relationship

I'm not a psychologist, but I know a decent amount. If the above did not help then I'm sorry, there's not much I can do, I'm just trying to help :)

[EssentialAspiration]

Number 2 there sounds about right to be honest. I'm not very confident in myself but usually if I'm worried about doing something I'll just do it and act confident. That's what I do. But I don't really know how to kiss or how it works or what to do and I overthink things and it worries me so I can't do it. Everybody says it's a natural thing but even when she kisses me, it doesn't feel very natural, it feels like I'm doing something wrong and I don't know.