Some boys are so... ignorant? I don't really meant that in a bad way, because I know most boys don't wear make up and aren't interested in it so its fair that they don't know much about makeup. Boys don't like the idea of makeup but then alot will go crazy over girls like Megan Fox or Kim Kardasian. Both are naturally beautiful girls but there whole red carpet image has changed because of their makeup.
I may only be able to notice this because I've had alot of experience with makeup, but if you look at Kim she often contours her nose and face, and highlights with light concealer under her eyes and down onto her cheeks. It is alot of makeup, it completely changes her face.
Most girls that you see everyday don't do this they probably spend about 5 minutes putting on some mascara. It just makes me laugh when boys say they don't like makeup and then go for the complete opposite...