Should we go out??

ok well there is this guy im really close frans wit and i seem to like him every so often and every time i like him i tell him and he doesent seem to care ya kno like ok things r gunna change and he told my bff that he liked me bc they have known each other longer that i have known him and they r close but he told her on the last day of school he liked me and has liked me but he is scared that if we go out we will loose our frienship and i like him now....should we go out and if things dont work out be frnas again or just stay frnas bc he doesent wanna loose my freindship if things dont work out HURRY!!!!!!!!!!!!! NEED TO KNO!!!