Help with speaking Brazilian Portuguese?

I already know a little, but not a lot. I don't get a lot of practice with it anymore & I'm trying to relearn it. Tenho quartoze anos e moro em N.America. Minha mae e do Sao Paulo.. blahblahblah :P i'm just looking for some help. nothing on youtube works, I already tried books, I write everyday, but when some one speaks to me, I dn't understand a lot, and when I respond I have trouble