It helps to know you aren't crazy at the very least.. and it is educational for those who are younger and haven't lived through the nightmare...
You dont need to read that though no...
Have you tried exposing using the phone to friends while your H is in earshot?
I reccomended this some time ago and I think it is still a good tactic to bring out some guilt and shame in the WS
You don't even need to have anyone on the other line... just chat on the phone, discuss his infidelity in detail and how terrible a father he is very casually and then hang up.. he will FEEL like you are talking to someone and HEAR exactly what you are saying, it can be quite a shock.. he will likley get very angry...
Tell him if he's comfortable with the horrible thing he's doing to you and your child then he needs to suck it up...
Tell him if he's NOT comfortable with the horrible thing he's doing to you and your child then he needs to KNOCK IT OFF