letitend.....having the child that is his, biologically, does add a layer of complication on all of this.
This makes the wisdom of getting a lawyer so as to be aware of your rights as well as his...and how all of it impacts the child...
You need all the support that you can get......
knowledge is power.
I suggest this for you: lawyer....counselor....alanon......
As far as the mother in law....it sounds like you have been sucked into triangulation here....
Grandparents are a blessing in a child's life. That relationship should be preserved whenever possible, in my opinion.
I think you could use the help of a counselor to straighten out the dynamics that exist at this time.....
It is a sign of strength to get help. I have long noticed that those who do get help are the o nes who do the best in the long run.....
dandylion