Welcome CJ. Mark said it best. There's a different type of poly relationship for every person out there. It just had to be something that works best for everyone involved. I also want to ask a question. Are you ok with poly because you feel like this is the only choice you have to keep your husband? I only ask, because if that's the case then it won't work. This lifestyle isn't for everyone and that's ok. (I recently had a reminder of just that fact)
Please ask us questions and I hope you find what makes you happy.