Why do some religious people say they are not believing in a religion?

THE SELF-DENIAL IS PROBABLY COZ THEY R NOT CONFIDENT OF THEMSELVES OR DO NOT WANT TO GET OFFENDED BY SOMEBODY ELSE SOMETIMES IT HAMPER THEIR COOLNESS QUOTIENT. SOME REDEFINE RELIGION ,AGAIN, TO MAKE IT ;LOOK COOLER AND HIP AMONG YOUNG PEOPLE SO THAT THEY TOO EMBRACE IT AND THEY DONT WANT TO LOOK LIKE SAINTS PREACHING PEOPLE .