Help me now i got my self in to big trouble!!?

ok well i am 13 and i am in 8th grade any way me and my friend (chloe) were at walmart after a dance (formal) any way we saw a hot guy there so we got his number he told us he was 17 so we said we were 15 anyway we start texing and my friend chloe told him that she was only 14 (cus she is) and then he told me she said that so i said i was 14 too witch im not and then he told me he was only 16 and i told him my birthday was on the cut off and thats why im in 8th grade so he was cool about it and didnt care oh and btw he is a sofmore so then he just asked me if i was 14 and when my birthday is. well i diddnt waana lie anymore so i just told him mmy birthday is in a month. then he said so ur turning 15 right. I HAVENT TEXTED HIM BACK YET CUS IM NOT SURE IF I SHOULD BE LIKE JK I WISH IT WAS OR TELL HIM THE TRUTH AND LOOK STUPID. BUT IN THE END ILL LOOK STUPID ANY WAY.