If you have not actually moved to Texas, and you residence is still in Florida and you only travel for work, then you should be fine and they would not move the case.
Please remember to file a change of address if you do indeed move.
You should not seal or expunge your criminal record. You may be required for immigration purposes to unseal/un-expunge, and the whole process is not worth it. If eligible, depending on the guilt and charges, do it only after you become a citizen.
If you are concerned about your criminal record affecting your immigration options, including citizenship, you should consult an experienced immigration attorney.
No, you cannot. But there may be other ways you could help him; perhaps a student visa if he wants to further his education. What does he do for a living? Does he have a degree sought after in the US? You should consult an experienced immigration attorney to evaluate your options.
First, the prenuptial agreement requires serious thought . In order for it to be valid, certain requirements must be met, and an attorney can make sure those are met. Second, if the spouse is an F1 visa holder, you should consult an attorney who handles both family and immigration, as there are adjustment of status considerations you may not have thought about.
Three weeks is not a long time; it could take 90 days or more. You will need to wait and check the status online with the receipt number for the I-485. If they need additional information, they will issue another RFE. If 60 days passed without any communication, you may want to make an InfoPass appointment.