like a duck to water
(simile, idiomatic) Alternative form of like a duck takes to water
I took the process of doing as much myself as I could like a duck to water. I set up my own label and publishing, etc, and it was a fun learning curve two decades ago. David Knopfler
For me to go to America - which I find such a positive place - well, I took to it like a duck to water. Victoria Beckham