Let's say that you are with your gf at a party, at school etc. anywhere where are groups of many people.

Someone is trying to pick-up your gf...How do you react in a situation like this?
There are many situations that can happen.

But now I am going to tell a real situation that happened to me.

You are with your gf at her school, and there are many groups.
You let her interact with them(you don't have to be needy), and she is stressed because threre are a few minutes before an oral exam.
A boy is playing with her hair(they are very near you are little bit far form the groups), for a few seconds. After let's say 10 seconds, she realizez what he does and pulls of.

Any opinions on this?

I still wouldn't worry. It doesn't seem that major of a situation. See it as permission to play with other girls hair

You are a man of choice, so your girlfriend would be a fool to step out of line because she should know that you will replace her in seconds.

Let me know if that helps!

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Want to learn more? Get plenty more advice from UK based self-improvement company, Get me the Girl, by visiting www.getmethegirl.co.uk

I was a little bit upset. I tried to make her confess what was there(maybe I was an AFC), but she didn't remember exactly what I was talking about(that means that it was an unimportant thing). I insisted on the subject until she was upset because she said "you accuse me of things I didn't do", of course he touched her hair, but she didn't do anything bad.

She said that she loves me and don't want to lose me, and also she said that we sholudn't be upset about stupid things( I always tell her that we shouldn't argue or fight because of stupid things).

GetmetheGirl-> ur the man.
I would react just like Getmethegirl states you should. Think about it Alpha, if she notices that you get upset for things like that, then you are insecure--you cant handle seeing someone fondle her as if you do not have her as yours. It was no big deal. I understand that you do not want anyone touching your girl's hair or anything, yet blaming her for it makes u look weak. Instead, do your thing on the side with another female->she will then notice that there are behaviors that both of you need to conform to because you are each in a relationship.
I am a touchy guy and anytime a female does something like this to me, I do it ten-fold; she is quick to notice that I am not to be f*cked with because I will just replace her.
When the female feels privilged to be with you, she will not let things get in the way between you two. But b*tching or arguing about it makes you seem weak. Im a big believer that actions speak louder than words. So push her buttons like she does to you when she allows things that bother you to happen. Do something that makes you seem desirable and arises those feelings in her that you had. She will then learn not to mess with you...

You're just doing the complete opposite of what you should be doing. You're the guy she wants to be with, and that means you have to protect her. So don't go accusing her of being a slut when she has nothing to do with the situation except be the victim. Be a man and go tell that fuck face touching her that he should back off because she isn't interested in him. You don't need to punch him out, if he keeps on hitting on her in spite of you saying something than you can talk to her about it and tell her you told the guy already, then its her problem. Don't just over react if you haven't done anything yourself, it just makes you look insecure, she is already with you, the problem is all the other douche bags that want to get with her.