going to court

[imdaylene]

We went to our final resolution hearing and since we cannot agree on child support the judge set a trial date for Jan 9th.  The child in question turns 18 on jan 10th.  Has dropped out of school and joined the National guard.  What do I need to do at court?  What is it that I do at trial?  My stbx asked and was told by the judge that she cannot give legal advice....