My girl friend thinks I'm being stubborn ?

Alright my girl friend is now 8 months pregnant we been together for 4 years now we live at CFB Edmonton now she's American and she was bringing this up last night that she wants me to leave the army and move to Houston Texas we all could be closer to her family but I don't wanna leave my country I love it her I fought for my country and dammit I don't wanna leave my dad and my brothers and I love my job I'm a weapons tech I get paid great and she wants me to leave my family my friends my life and start a new one in a country I'm not to fond of now I have a feeling it's the hormones doing this to her but we got in a fight over it and I just don't know what to do are say I tried to talk to her about it but she won't change her freaking mind....please don't judge me on this I feel like an idiot for asking people I don't know