Really need help giving up canabis!!!!?

I'm 20 yes old and have been smoking since the age off 15 everyday, canabis is becoming a real problem for me I have relised I've bec e heavily addictied and I'm always moaning and basically live on my bedroom I dnt socialze really with my fam no more just care bout gettin stoned. Round where I live absoulutly everyone smokes and just seems like I carnt get away from it. I spend money on it when I need to b payin bills and broke up with my gf for no reason and i notice when I ain't got none I can be very aggresive to people I just dnt wNt this in my life no more. Please can any1 help please no stupid answers this is a very serious thng for me