Guys how do I simulate realistic lighting onto 2D people I'm stupid

I have no idea what I'm doing anymore,.,,,,.,,.,.,,.....,

From not to hot, learn how this guy became absolutely stunning in only 80 steps!

Life is getting busy again, frustrating.

Uploading older art in case I want to remake any of them

Icons have always been my favorite things to make, idk why they just feel both easy and rewarding

old WIP

"Hey, wanna see a magic trick?"

if you get offended easily just keep scrolling lol

HEAR ME OUT

no this isn't what you were expecting but I AM INSPIRED