there is good news tonight about how one heart helped two people heal together and their bond can never be broken dear heart recipient reporter: this letter one of thomas greatest passions was health and fitness. reporter: took leah osmond three months to write. i often think about how differently i would feel about the loss of thomas without the organ donation process. reporter: it s a letter to the man now carrying her son s heart. thomas, just 19 years old, passed away in a motorcycle accident last year thomas was such a good kid i was so proud of the person that he grew into. reporter: she didn t know if her letter would get an answer. even though all i know is you are a 50-year-old man reporter: but it did. treat it well, handle it with care. it is special.
chest and listened overall, it was just an amazing happy moment for everybody it felt surreal. it felt like it wasn t really happening. reporter: the two building a lasting relationship jason, you guys are going to know each other for the rest of your lives oh, we re family, for sure reporter: one heart uniting two families i will try to do my best to protect it the best i can. you will. i know you will. okay congratulations. yoyou got a gogood heart thank you so much leah and jason both said to me that they hope any attention their story gets will inspire other people out there, all of