我尝试用带有方向的线条来模拟纹理，为什么画出来没有立体的效果，反而很乱

Took me 8 hours and 7400 strokes. Darn really hard challenge. This is my first real portrait ever done. I didnt see the shades from reference so i started improvising with the knowledge i have about anatonomy - this is why mine looks like mike jagger joined kiss. I think I should use a different shape for the eyes and also smallen the lips. All in all i am proud of it but see that i need to improve to be more accurate.