Here's a video that shows what I'm talking about youtube.com/shorts/IVGE5...

A common piece of advice I see is to "be bolder with your shadows" or even "push your values"! Try making a new layer for shadows, then choose a colorful shadow color (blue is a good place to start), paint some shadow, now set the layer to multiply and the opacity to your liking

Great work! It's been awesome and motivational to see you posting every day - were you looking for any feedback? (I mean I'm not a professional by any means)

I'm in awe of your power