Why does he face away when he sees me coming?

Anonymous
A few times this guy in my school saw me heading his way and he turns away when he sees me? He's pretty quiet but the thing is I know a lot of girls who likes him cause they think he's cute so I don't think he's shy, or maybe he is, I have no idea lol. I've seen him look at me before in class, he turns his head to where I am sitting, I've seen him from the corner of my eyes lol cheeky. I've heard that 'ohh when a guy turns away when he sees you is because he's shy or likes you and is too scared to face you' but it's weird cause he's pretty popular and it's just weird for him to be shy to me. I don't think I'm extremely pretty or whatever, so any opinions I'm open to hear!
Why does he face away when he sees me coming?
7 Opinion