I learned three languages when I was younger (Persian first, then English and Spanish at the same time) and can swap into them instantaneously. However, the la

I learned three languages when I was younger (Persian first, then English and Spanish at the same time) and can swap into them instantaneously. However, the languages I learned later (Portuguese and now some smatterings of Chinese) require me to stop, think, and listen for about 10-15 minutes before the language takes over in my mind, and I may converse more fluidly. This contrast alone is quite interesting for me.