Dude you have to slow the fuch down.

First your W is way to young for MLC.

Second what are you writing an apology letter for? Please tell me you do not plan to give it to her.

Lastly, make sure you see a lawyer, your W can not take your child to another state.

Your W is more then likely having an affair but it doesnt change anything. This will take many months or years to sort out.

Try to take a deep breath slow down and start doing your home work. The worst thing you can do is come unglued.