Their offspring are near microscopic and in vast numbers. A behavior mentoring relationship would be hard Perhaps if they evolved a stage where the tiny things

Their offspring are near microscopic and in vast numbers. A behavior mentoring relationship would be hard Perhaps if they evolved a stage where the tiny things latched onto the parent for protection from being food, and lived off the parent, then the parent might evolve to produce an edible skin (for tiny octopus) and hang around longer