LOL I like to learn languages too. darn, should've mentioned that in another thread. It does pass the time.
Here's one where it will be on topic.
Neuroplasticity as a function of second language learning: anatomical changes in the human brain
The brain has an extraordinary ability to functionally and physically change or reconfigure its structure in response to environmental stimulus, cognitive demand, or behavioral experience. This property, known as neuroplasticity, has been examined extensively in many domains. But how does neuroplasticity occur in the brain as a function of an individual's experience with a second language?