I learned English and honestly the only thing that happened was my life got 100 times better socially and professionally. My thinking is exactly the same.
The only cognitive skills I've noticed improving is my ability to play word games and figure out simple phrases in third languages when traveling, because I have two languages to reference when thinking about word origins and relationships.
The only cognitive skills I've noticed improving is my ability to play word games and figure out simple phrases in third languages when traveling, because I have two languages to reference when thinking about word origins and relationships.