Help with sadies, this guy, &what to do!?

So theres this guy. I think he likes me. He says he does but he doesnt wanna show it yet..i usually text him first, So sadies is coming up& i think i wanna ask him. im just not sure if....he would want to go with me, if he would say yes just to not make me feel bad, if he really does like me, &how i should ask him. appearantly he wants it really really cute&big.