Step parents don't pay for their spouses children just the biological parents do. He is the only one paying child support. If you divorce you will need a prenup or your things will be divided equally unless you say otherwise.
You need to keep your assets separate even if he didn't, as men can be hit with up to 18 years of retroactive child support on a child they never knew exited. When that happens, your joint assets are forfeit.see link
No, but if there are arrears, it can affect your credit and joint assets. see link
no
absolutely
no
At the moment in the US, Child Support is about $56 a week. YOUR income will not be effected, only his.
No, but send child support money.
No, only the NRP is responible for Child Maintenance.
No. Only the biological parents pay for their child regardless of who they marry.
Marriage is an emancipating event. Generally speaking, child support terminates upon emancipation. So, if you want/need the child support to continue, he better wait until after graduation to marry.
If you're living together with the child, no; in such a case, get an order terminating support and setting the arrearage or stating that no arrearage is owed.
Pays it to you or someone else?