There also needs to be more content of adult (or even teenage fillies and colts) fluffies of either gender staying on fluffy milk for FAR too long. This keeps them in a foal-like state for much longer than natural due to the mother’s excessive coddling and due to the manipulative nature of the ‘widdwe sensitibe babbeh’.
Pure codependency at its best. Mummah is a narcissist who wants to keep babbeh all to herself and babbeh is a stunted retard that will never leave her side.
The situations can vary along with the nuances and themes, but the idea is still there.