Tasha- I've tried talking to him I even left up information on the internet about marriage counseling but he still refuses to go

I don't know what to do I know I should not have feelings for another man but I really believe it's just because the other guy talks nicely to me and is very sweet but I also know nothing with come of it I just want someone to love me (my DH) but if it does not work well I have to think of my son and if it comes to it we will have to leave I already told my DH I don't want my son growing up in this type of situation. I have tried everything to no avail with him I really am at my wits end with all of it!!!! Why do men have to act like this? What is it they get out of it?