“acquisition of knowledge… by a process which takes place naturally, simply and without conscious operations
Spanish is my first language, and the reason why I was able to pick it up before English was because I was always surrounded by it. My mom only spoke Spanish to me, and we watched Spanish shows, listened to Spanish music, etc. Being surrounded by an environment where Spanish was always present, speaking Spanish came naturally. It wasn't something I needed to learn, like reading and writing in Spanish.