Im 13 & have a huge crush dillemA plz awnser!!?

Hi this is long so plz read it im 13 & i have a huge crush its not just a crush coz i cant describe how it feels anyways i know the boy & hes a show off hes 14 btw & he can act like a jerk but hes not hes a nice boy when u get 2 know him & hes supernice 2 me when were alone & he helps me all the time we tease eachother all the time & we talk all the time & im best friends with his cuz ive knowed her for 4 and a half years & ive knowen my crush for 10 months & i knew i liked him on the 31 first of october & im pretty close to 2 other of his cuzins aswell & my family has known his family for years & i really wanna let him know i like him but thats where it gets complicated if i tell him & he dosint feel the same way i wont get over him coz we live next to eachother &. I would see him everyday & our friendship would be ova & we do have something we must or i wouldint feel this way & heres the bad bit he has had loads of gfs & ive never had a bf or even beeb kissed & im 13!! i know im not the prettyist of girla but im not the uglyist either & he told his cuz my bff. To put on facebook he wants a gf & i find my self crying all the time coz i love him & ive had dreams about him 2 i dont know what 2 do should i just tell him??? Plz i feel like im gonna love him 4 ever please give me some advice coz its hurting inside ps.. Is there any songs that i can relate 2 about this i listen 2 taylor swift everyday coz we have soo much in common thanks