I was quite pleased with this one myself as well. Sometimes they struggle when you try to capture them; or they hide where they are difficult to catch, but not this little creature. Came to me like a little lamb on a beautiful day in spring.
That's the way it goes, indeed... sometimes you have an idea in mind, but the puzzle just doesn't want to work... you have to add more givens than you want, or in non-pretty-looking places... or the puzzle suddenly becomes too easy... and after a while you just give up. But then, other times an idea just works immediately. The art of puzzle making holds many mysteries...