帮我改改这段话的语法好吗?There's something maybe i 'd never have a chanc

我帮你重写一下好吗?
For my father (dear father):
there's something that i'll probably never get a chance to tell you.so on this very day (on this special day) i (just) want to let you know that i am so lucky to have you and i love you very much.
With a lot of love,
XXX

To my dearest father on your very special day,
There's something that I've been wanting to tell you yet not having the chance to do so, which is I am very lucky to have you as my father and I love you very much.
With deepest gratitude,