Thanks for the advice, I appreciate it. I've taken a small break from studying (just reviews since I finished this experiment). I might follow your advice while

Thanks for the advice, I appreciate it. I've taken a small break from studying (just reviews since I finished this experiment). I might follow your advice while still going forward with the second book, but not with the 50 chars/day pace, I'll perhaps tone it down. You're right that HSK1-3 (or even 4 as you suggest) are very trivial in terms of vocabulary.