It means you're ambitious and curious, that is a good thing.

[ It is said with slightly amused tone but also adoration. Preserving against all odds is an admirable quality ]

But progress isn't a consistent straight line. Sometimes we feel like we're stuck, trying different approaches and nothing seemingly works— but that can be the time when we make the biggest of progress and learn the most.

[ Even though these are not easy lessons. He clears his throat, giving lectures is not his specialty after all. Even though it is part of being a guide—

So he flicks Yona's forehead ]