This is a current thread over on the "chicks" forum you may find relevant to your situation. https://www.backyardchickens.com/t/981447/i-love-my-new-rooster-henry
Yup! Chickens get jealous. It's dependent on the pecking order who gets jealous of whom.
The more you interact with your chickens, expect those that couldn't care less to begin to care. They see their mates enjoying a good thing, and they learn to want some of what they see the others...