Sounds like you need a loving and caring daddy to help you accept your desire and need of diapers and being a good boy in his thick diapers... :)
Take it from a person that tried to walk away from accepting himself for what and whom he is, it only will make you miserable. Embrace who you are and what makes you happy. Once you realize that its no one elses business, and if they can't accept you for it, then they got issues. If someone gives you a hard time, as them what kinky stuff they do and I bet they will blush and then change their mind. It does not hurt anyone and it makes you happy, that is all that matters!