Hello to both of you.
There's some wonderful advice on understanding and handling jealousy here that might be useful for your SO's: http://www.morethantwo.com/
Me, 30ish bi female, been doing solo poly for roughly 5 years. Gia, Clay, and Pike, my partners. Davis, ex/friend/"it's complicated." Eric, Gia's husband. Bee, Gia and Eric's toddler.