Should I tell my son he has peter pan syndrome?

If you can " own" The impact that parental overprotectiveness had in his ability to become an independent, fully- functional adult with age-appropriate adaptive/self-help & prosocial skills, he'll probably be more receptive. Offer to attend family counseling with him & seek individual therapy to explore your past & current role in the relationship. See:www.Sciencedaily.Com/releases/2007/05/070501112023.Htm.