I don't understand this logic..

(3:44:10 PM) Fox Mcloud: how old r u 3,2,or1?
(3:44:28 PM) アニメ: im not actually sure. 1992, july 6th. you tell me how old I am
(3:45:07 PM) Fox Mcloud: 1999 july 9th asshole
(3:45:40 PM) アニメ: no, idk how come your making up dates, but I was definatly born 1992 july 6th
(3:46:20 PM) アニメ: which is quite a rip off, one day off of being able to celibrate a birthday on 777, and one month off of being able to celibrate a birthday on 666.
(3:46:44 PM) Fox Mcloud: i was 1999 july 9th asshole
(3:47:31 PM) アニメ: how am I an asshole for not knowing your birthday?.. you ask me how old I am, and it is an asshole remark to not respond with your birthday when trying to figure out how old I am?
(3:47:40 PM) アニメ: I don't quite get your logic behind it, but what ever.
(3:47:42 PM) Fox Mcloud: LOL
(3:47:59 PM) Fox Mcloud: im fucking 11
(3:48:03 PM) Fox Mcloud: :P
(3:48:44 PM) アニメ: I still don't get how this has anything to do with your age, when you where asking me how old I was, and giving examples of low numbers, and me giving you my birthdate as I do not know how old I am as I do not care.
(3:49:27 PM) Fox Mcloud: lol
(3:49:32 PM) Fox Mcloud: ur 5
(3:50:04 PM) アニメ: thats some incredible math skills you have there. your 11 born in 1999, and yet somehow, 1992 which is before that, equals a less number? incredible math skills