Heartbroken and needing help!

[irishblessings]

So he left last night. S was so sad and finally broke down to me later in the evening and said he was scared we were going to divorce. I told him that right now Dad just needs some space.
Let H know about son - he called him to reassure him that he loved him and said that the problems were about himself and there were things he needed to work out. He then called each D and told them the same.
S and I have done some crying and talking / I am heartbroken.
Made it through work today - took care of the house - cut the grass and cried the whole time. I have kept tears inside for months - trying not to agitate him in any way - trying to keep the secrets. Now the tears just flow. I am numb.
Called an attorney today - just to get information - had no idea the expense! Going to focus right now on getting the house up to speed / getting keys made and locks changed.
He has been very communicative today through texts and calls - all about the kids. D is coming home and he asked if he could come over for the evening. I said sure. I know in DR it talks about being positive and happy whenever you interact - right now I am just trying to stay calm and not engage. Is this ok? I am hoping that this approach will someday prove that I am not the enemy. My IC said today though that all he wants is divorce and he won't stop until he gets it. I guess I'm going to go down with respect!
Sorry to ramble - thanks for listening! I hope that one day I will be able to help someone out the way that you folks have helped me. Thank you!