Ok. I just ask that if it is bad news that you not shoot the messenger. Shooting the messenger is either leaving a negative rating (usually reserved for rude or unprofessional experts) or not leaving a positive rating at all.
As far as your options, they are the following:
1) Wait for the immigration reform that comes out. If it is approved, then you may be able to get Residency if you entered the U.S. early enough.
2) Apply for Asylum (you had to have done this within the 1st year of being in the U.S. unless there is a credible excuse or changed country conditions), Withholding of Removal, Convention Against Torture, or Cancellation of Removal. The first three things are if you fear to return to your home country because you believe that you will be specifically targeted due to your race, religion, nationality, social group or political opinion and that you run a high risk of great bodily injury, torture, or death as a result. The last, Cancellation, what you are probably thinking about because you mentioned you have been in the U.S. for 18 years, you would have to prove that you have been at least 10 years in the U.S. AND you must also prove that if you are deported, a U.S. Citizen or Lawful Permanent Resident that depends upon you will suffer exceptional and extremely unusual hardship. This hardship must be something more than emotional separation hardship or financial hardship, so it is difficult to get.
3) If you marry a U.S. Citizen (for love, of course), you could file for Residency without having to leave the U.S. and the same if you have a U.S. Citizen son or daughter over 21 that petitions for you.
I am truly sorry for the bad news, but the options are limited at the moment.
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