Czech

Overcoming Difficulties
https://www.fluentin3months.com/why-czech-isnt-as-hard-to-learn-as-you-think/
 * Fluent in 3 Months, "Why Czech isn't as hard as you think." Key points include: the time in which the author spent trying to learn it, why some people are self-defeating in learning, and why the grammar is not as complicated as most individuals think.  Explains that attitude is key.