I Really Want To Believe In God But I Cant.?

so im 13 and ive been going to church my whole life and always been on fire for God an never doubted him or anything..an if someone said God didnt exist i would b the first to prove them wrong but lately i have been doubting god and his existence an the bible i really want ot believe in him but i find it rlly hard 2 ive been praying for him to show me tht he is real an have some friends pray for me an ive read the bible..but nothings working an idk what 2 do!