Dear Doctor Who,
I would like to personally thank you. For many reasons really but for first and foremost giving me the opportunity to meet my girlfriend. We met at the filming in NYC and if that filming hadn’t happened, well then I would not have an exceptionally amazing girl in my life now. Whether you guys know it or not, you help change many peoples lives. So here’s to you. Cheers

I should write a letter kind of like this: Dear Doctor Who, “I would like to personally thank you. For many reasons...
Aww…wow :D