boy troubles ^_^ help please!!!!?

[Lulu]

im a girl 14,and the guy i have a huge crush on is 15,but i only talked to him 3 times and he's nice,and adorable and homecoming is soon ,tho i want to talk to him MORE! he's in 2 of my classes and thats the deal,and lunch time,but he has his group and i have mine and i like him alot he is so nice, i just need some tips u guys ,like what attracts guys and wut do u like most in a girl and tips on how to talk to him in person and in social media,just help please! ^_^ just giv me all u can plz?i am a bit to scared to just walk up to him ,i dnt wna look stupid and stutter