You see yourself with me for a long time
Hace mucho tiempo que no se de ti Mucho/Tanto tiempo sin saber de ti It means long time without knowing about you
long love
long; great while.
for a lot of time.
I have waited a long time for this
He/she/it is with me.
No tanto como ... is Not as much as ... in English.
dream of me
"Te puedes casar conmigo" in English means "Can you marry me?"
To be honest it mean "Not talk to me"
Conmigo means with me.
"Vas a salir conmigo" means "Are you going to go out with me?" in English.