The Kesef Mishne (end of Ch. 6 of H. Ovos Hatumah) writes that a mikveh does not effect purification for a person still immersed in it, but only he has left it. Similarly, those who engage in outreach work must realize that they cannot make do with delivering several shiurim in the hope that they will have the desired effect. Even those who become observant can fall by the wayside after the initial period, if they do not receive emotional support subsequently. Their mentors must follow in the footsteps of Avrohom ovinu. He did not make do with making speeches and inspiring his followers, but rather became a father for many thousands of his followers, who became members of his household. It is especially incumbent on kiruv organizations to ensure that young people find appropriate marriage partners.
Based on droshos by Rav Moshe Sternbuch shlita, raavad of Yerushalayim. To receive these weekly divrei Torah email email@example.com.