Let teens know parents are happy to hear from them anytime and see them when they are ready. Many young adults reestablish relationships with parents once they are out of high school. Frequent calling sometimes feels like prying to teens. Call from time to time and give permission for them to call you whenever they like. When they call, try not to criticize or question excessively.
Teenagers love to eat.
Send gift certificates for restaurants. Be aware of their interests and send related objects or news clippings. Preaching is usually not well received. Most teens have some interest in knowing more about their heritage or roots. Send items or taped messages of interest about family background.