Divorce

Can I file a Motion to Set Aside for child support arrears?
I did not file an objection in time, so I lost my case. It was on arrearage on child support. I do not owe money so I would like to go in front of a judge. I was told I could file a Motion to Set Aside. Do you know what form it is? The only one I see is Motion to Set Aside Arrest.
Can Texas uncontested divorce forms be used if a spouse is missing?
If a person was living in Texas when spouse deserted him/her, and the whereabouts of the spouse who deserted is not known, will Texas uncontested divorce forms suffice? How long does the process take? There are no cash assets, no car, no home, etc.
Can I date others while legally separated before my divorce is final?
I am legally separated. Am I allowed to see other people before the divorce is final?
Can I divorce in a different state from where I was married?
Is it legal to get a divorce in a different state than you were married in?
Can my wife claim abandonment if I leave after asking for divorce?
If, upon asking my wife for divorce, she gets mad and kicks me out of the house, and I do pack up and live elsewhere, can she later say I abandoned her? Would I need some kind of written statement from her (not likely to be obtained, of course) that she wants me out of the house?