Your story is full of your happiness with adopting a positive attitude and experimental approach. Oral sex has for both giver and receiver been so freighted with externalities [shame, porn narratives, ignorance of the genital anatomy] it is no wonder so few couples find it equally pleasurable.
Oral sex has a lot going for it. It is very intimate, and exceptionally granular in the sensory experiences for both partners- the textures and smells and tastes, and the impact of even slight movements.
So it requires more conversation and sensitivity — and that’s another good thing!