Algorithms Have to Be Fun.

Don't think of it only as a means for getting hired. Feel the thrill of problem-solving, the sense of achievement and fun that comes from competition. In that sense, Codeforces is better than LeetCode. Because it's more connected to my life. LeetCode is convenient since it distills problems down to their core, but it lacks stories, so it's not fun. https://codeforces.com/problemset/problem/1914/B

Japanese Has to Be Fun Too.

Don't think of it only as a means for getting promoted. Feel the fun of learning about Japan and the opportunities it opens up to broaden your horizons.

Learn Languages Like Author Jo Seung-yeon

Make good use of Netflix. If you were to teach Korean to a foreigner, how would you teach them? You'd expose them to various situations and environments, teaching them what to say in each context along with the culture, right?

With Netflix, observe carefully what words are used in what situations to construct sentences. And then try saying something similar yourself.