HOW CLOSE SHOULD THESE COUSINS BE?

ok i am 13 he is 14 im girl he is boy.my granny and pa owns alot of land so my family his family and more of are family used to live there i would stay at his place or he would stay at my place almost everyday!! so we basically lived together we also spent the whole day together.This is not a crush.we are just really close cousins we are 1st cousins.so we have basically lived together for 13 years.now so much **** has gone on in are family we don't see each other everyday.we moved like 1hour and a half away from each other beacuse are parents found houses they liked.so now we text everyday.like yesterday i sent 170 texts and he sent 163 that is how much we text.also we see each other every saturday (in the summer( ok should we be this close..i will tell him right of the bat that i got my period.like ill text him and say "OMG! i got my period!!!im gonna die!!!" that is my normal text to him.lol I will say like 'hey wat r u Doing' and he will say like 'master bating you.lol' he ain't really we do it as jokes.there is a game we play occasionally were whoever syad the dirtier word wins.And i tell him everything.we do text normal also we not freaks.lol like i talked to him bout my crush last night and he was nice about it. like i said "i lovve him!!!lol" him: your obbesed with him" me: well i havent talked about him in forever!! him: i bet you think about him all the time though me:i do like allll the time. see so he can be funny and nice. sorry for the texts i just wanted to show you.okk so all i wanna know is should we be this close?