I don't know, the way you phrased his answer makes him sound a little evasive. I would ask him to answer the question straight in terms of what these women know/expect, and tell him you'd love to meet them if possible. If he's hesitant to be clear about anything on this topic, he's probably hiding something from somebody and us not trustworthy.
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.