Me and my girlfriend were together for 3 years. We had devoted the rest of our lives to each other and looked ahead to bigger things even like marriage and children. We are 16 now and on new years day we started arguing, I basically got jealous she went to one of my friends houses with her friends on new years night when I had no idea as I was sick in bed and had no contact with her as her phone was broke. We continued to argue and it resulted in her saying she wants a break. I couldn't accept it and continued to persuade her. I said some stupid things but continued. I eventually realised that I had my mistakes and apologised endlessly. I promised her I only need 1 more chance because I was certain I would nail it. However it was too late by now and she no longer wanted a break but we were separated, she refused to promise me anything like getting back together "because she doesnt know what will happen" . She promised me she had forgave me for everything but I continued to persuade her which she didn't like. A week had passed by of me persuading her and also having periods of general conversation, she was ignoring a lot of my texts and hanging up my calls. I couldn't give up on her and eventually trekked to her house to be upfront with her parents and tell them I've been stupid and just be honest. She eventually persuaded me not to and I tried to walk home but I had no idea where to go and then my phone ran out of battery. I had no idea what to do, I was waiting around in the cold and eventually got the balls to knock on her door to ask if I could use her charger or something. She hurried me out of the road and told me to wait, I actually have never met her parents, her mom has always knew about me and had an interest in me but she never even told her dad until 6 months before all of this. She rang a taxi for me but I never had enough money, so I refuse the offer of her charity and got as far as I could in the taxi. She was very, very annoyed that I knocked on her door. She has now went from phrasing it as "i need space and want to be on my own" to "leave me alone i'll text you when i'm ready". I get so jealous, the thought of her talking to other boys on BBM and ignoring her knocks me ill. Ive pushed her too far because of how desperate I am. I understand I need to leave her alone, but what should I do? How long do you think it will take? I'm constantly feeling sick all day every day and can't get my mind of how stupid I have been with my mistakes. I said some stupid things at the beginning forgetting she was "scared" of me. She started by saying she wants to feel like a "kid" before she becomes an adult. I have no idea what to do, I'm scared if I just leave her, she will forget about us and move onto somebody else

You are stalking her now annd only making it worst
You need to stop all contact,
Yes she most likely will ddate someone else

Totally agree with FR_Chuck. Stalking behaviors are very scary and in your case very immature. You are acting more like a 13 year old than someone who is about to enter adulthood.

Honestly if you continue these behaviors you will continue to scare off every girl. I don't have a daughter but if I did I wouldn't allow her anywhere near you.

When you are in a relationship you don't control the other person. You pushed this girl away from you and now you need to deal with the consequences of your own behaviors. Hopefully you will remember what caused this mess in your next relationship. But in your case I highly doubt it.

One more thing - get a job and stop worrying about girls because you are not ready to have a meaningful relationship.