I'm not sure myself! I should try harder! Sigh, what can I do! Sigh, I don't understand at all! What can I do! Sigh, it's really enough! Sigh, I must speed up! Sigh, such a simple problem! Sigh, all kinds of problems! I don't know what to do! Sigh, it's really enough! I don't understand at all! What do I think? What can I do! I don't understand at all! Is this okay? What do I think? What can I do! I really don't understand at all! It's so sad! Sigh! Let me think about it carefully! That's really enough! What do I understand? Sigh, these are all problems! Sigh, I really don't understand at all! Is this okay? Sigh, do I think this is a problem? Sigh, I don't understand at all! Do I know at all! Sigh, I really don't know at all! Sigh, it hurts! Do I understand at all! Sigh, it hurts! Sigh, what do I think? That's really not good! Sigh, I really don't understand at all! Sigh! Let me think about it! That's really not good! I can't face it at all! That's really enough! I really don't understand at all! Sigh, it's really not good! Sigh, I really don't understand at all! Don't tell me I really don't know at all! Sigh! What do I think? What can I do! Sigh, it hurts! That's really enough! Sigh, what can I do! These are all problems! What do I know? Sigh! That's really enough! I don't understand at all! What a painful feeling! That's really enough! I really don't understand at all! I really don't understand at all! What do I think? What can I do! I really don't understand at all! Sigh, it hurts! That's really enough! All kinds of problems! Actually, I really don't understand at all! I really don't understand at all! Sigh, that's really enough! Do I think that's okay? Sigh, I really don't understand at all! What do I want to do? Sigh, that's my own problem! Sigh, that's really enough! I really don't understand at all! What can I do! Sigh, what do I think? These are all problems! All kinds of problems! I really don't understand at all! There's no way! What can I do! Sigh, my mistake! Is this okay? Don't tell me I don't think so? Sigh! That's really enough! I really don't understand at all! What can I do? Sigh, that's really enough! What do I think? What kind of problem is this? Sigh, I really can't do it! That's really enough! I really don't understand at all! Sigh, I really don't understand at all! This is all kinds of problems! I really don't understand at all! I really don't understand at all! I really don't understand at all! What can I do! Sigh! That's really enough! Could it be that I really don't understand at all! Sigh, my mistake! This is a more serious problem! Could it be that I really don't understand at all! Sigh, all kinds of problems! I really don't understand at all! What do I think? Sigh, what do I think? Sigh, all kinds of problems! I really don't understand at all! Sigh! Forget it! I really don't understand at all! Is this okay? What do I think? What can I do? I'm so shameless! I know! I'm getting more and more helpless! Supporting this book! Sigh, whether it's in terms of creation! Or in terms of life! I've encountered them all! Problems! Sigh, that's really enough! All kinds of problems! I really don't understand at all! What can I do? Sigh, I really don't understand! Sigh, all kinds of problems! It's so difficult! All these problems! What can I do? Don't you think that this is a little sad? Sigh, that's really enough! I was wrong! I really was wrong! What do I know!