I've been in the shallow end of a pool, just kind of walking around, but this was my first time really swimming - and I was horrified! I actually lost it whenever I saw the edge of the pool. But I took baby steps and rewarded myself every step of the way. ↗
I never bought the excuse of not having time to write. If you really want to do it, you're either going to find those hours or eventually decide not to be a writer. ↗