How Easy is It to Learn a New Language as an Adult?

harder than it is when you are a child as there is a critical period. you do have to work hard at learning a language but it is great for helping you avoid things like dementia

Tricky! But doable

It depends. You need to dedicate yourself, spend hours learning and writing it, memorizing and pronouncing the words.

Latin languages are pretty tricky but Japanese is way more complicated.