@JJ76,
I think you're hitting
enter and losing the remainder of your post (are you posting by phone, perchance?).
Anyway, even without the completed post - sexting - egad.
I think you're bored at home. And this guy gives you a jolt that's been missing. But it's a good thing that he didn't come over physically. Because then what?
Seriously. Do you want to go through a divorce? Do you want your kids to eventually find out (and they will; the question is how old they'll be when they do) that you had an affair?
I think you need counseling and I think you need a job. You're not being intellectually stimulated, and it's killing you. You're dying for adult conversation but then it veered off into REALLY adult conversation.
Anyway, seek out counseling, to determine whether you can fix your marriage. Bring your husband if he'll go along. If not, go alone, and get some coping tools for the changes in your life, and maybe some perspective on just what an affair is likely to do to your home life.