Trying to draw faces/come up with character looks is giving me anxiety, I want to do a semi realistic looking comic, maybe a bit stylized but has realism looks to it. I don't want my characters looking manga-y or cartoony. So of course it's making it more difficult. I can't even seemingly sketch features properly, maybe its because I'm drawing too small, idk. But how tf do I decide what details to omit/add to a sketch to make it look 3D and not just random lines? Or is it because I haven't touched any sort of shading/rendering yet? Getting into drawing different expressions is a whole other level of anxiety I've yet to tackle. I'm mainly deadlocked at just the construction stage, even then everything's off.

No matter what I do/whatever I watch, the lips and nose are always the biggest headache for me, the eyes are bad too but I can't even get the mouth/nose looking decent/3D at all most of the time.The sketch isn't great because I was mainly just bsing around. Even when I'm not though its a struggle.

Is it because I haven't applied and sort of shading/rendering/cross contour lines?