You need to retain a lawyer to represent to our. Without knowing all of the facts no one can give you good legal advise

Unless you are a danger to your kids she can't take you to court . Your sister does not have standing .

Arrest warrant will not go away if you pay.

Do you still have mailbox key if so check mail and turn in key .. I would ask landlord for your mail if you can't get access. You need to check...

Date someone your own age unless you want to risk getting arrested and being a registered sex offender for life

You need to file a motion to enforce and take her to court so you can see your son

If they affirmed previous ruling you did not win

If you hit someone you can get sued. Your insurance should cover it

Retain a lawyer who can review the file. It could be reduced to a misdemeanor but the ADA does not have to reduce the case.

Your PO could send your file to the judge and a Motion to Revoke could be filed. Start going to aa or na