Sounds like illegal reentry after deportation, possibly for an aggravated felony. Sentence could even be as long as 20 years. Speak with a criminal defense lawyer, this is a criminal defense, not immigration matter.
Not enough information. Were all of your admissions to the US legal and with inspection? Did you ever overstay your visa? Are you planning on marrying the person you have been dating or did you want to immigrate some other way?