Why i feel bad about my looks?

actualy i'm a 16 yrs old boy..i always feel that people will hate me bec of my hair ..i don't have that kind of thick hair..but horsy kind of hair.....i always think that since i don't have the 100% handsome look people will not like me ...even sometimes i'm disturbed from my studies to get a look at my hair and comb it back....what should i do?/