I just wanted to share I am sorry you are going through this. Its a hard situation and I know for me personally has been utterly bewildering, I still at times ask myself how on earth did we get here?
I just wanted to comment on your family/friends advice... its similar to what my own mother in law keeps telling me, I think she thinks that if I appear vulnerable and hurt that my H will feel sorry for me and make amends? However, I just wanted to tell you that I think Sandi's Rules are what you need right now. Whats helping me right now is standing tall and getting on with it rather than appear distressed and hurt... save that for the forum I think and your IC if you have one. From my own limited experience but more importantly from reading others experience's here, it seems that it will be of more benefit to you.