Girlfriend wants to be free?

Me n My Girlfriend been 2gether for over 7years. She jus finish uni. She told me she's want to be free n see the world n maybe in 2years time we can see where r life is n maybe get back 2gether. My question is how do I handle this am feeling a lot of pain n I got no friends or n1 to talk to. How do I move on. Its like this world love is not the main thing anymore. She's going usa for higher study n I jus know she's bound to meet sum1 new or lose feelings 4 me has the months goes by. She's going for 2years n if she likes it she will move there. I have never treated her bad n always there 4 her. But she said she just don't want to be with any1 at this moment in life. She 21 am 22. This feeling am going tru is pain. broken. Sad. What's the best way for me 2 get over quick