How do you educate a jealous child of new boyfriend?

To educate a jealous child about a new boyfriend, start by acknowledging their feelings and encouraging open communication. Explain that it's natural to feel uncertain when changes occur, but emphasize that love and attention can be shared without diminishing their importance. Involve them in positive activities with the new boyfriend to build trust and familiarity, reinforcing that their relationship with you remains strong. Finally, reassure them that they are still a priority in your life.