I have a best friend name Lance he is amazing he makes me smile but he recently told me he liked me but I...?

Always knew he has, I have kinda had a crush on him but he likes my best friend rachel alot too. but she will nvr go out with him he knows he doesnt have a chance wit her but he still likes her.. lance and i have made out before couple times.. but ah i dont know if i should totally dedicate my heart to him i love him to death he is amazing but it just feel like its not worth it he wont go out with me but i dont wanna go out with him either but we like eachother?? we are so close i'm the only one that can honestly make him smile ive noticed we have at this brain connection that i can't explain but i just hmmmm this is so hard on me mentally i am so confused what should i do i just dont kno i cant talk to anyone bout this..i know this sounds stupid but i just need some support some advice..just something...what should i do..help please this is hurting me so bad :(