An official engagement is not required. You should consult with an immigration attorney to see if the fiance visa requirements are met.

If a request for extension of status or change of status is denied because it was not timely filed, unlawful presence begins to accrue on the date...

You should consult with attorneys to check on legal fees and see what works best for you.

Depending on when you received the RFE, you may or may not have an extension. See here:...

I agree with my colleagues. You should work with an immigration attorney if you don't already have one.

It is always best to work with an immigration attorney. You may file a petition for your spouse and he may file for adjustment of status in the US.

If you are a US citizen over the age of 21, you may petition for your parent. For adjustment of status, your parent must have been lawfully...

If you are in status then you may file for adjustment. Otherwise, your husband will need to naturalize first. Consult with an immigration attorney...

Ask your congress person to inquire for you.

You may wait until the decision arrives in the mail or your attorney may contact the judge’s clerk to see if a written decision has been mailed to...