this isnt a he said he said
youre both in the wrong
you need to both put eachother on ignore
hes allowed to post, you called him a name so he started back up again and than the both of you continued your regular drama
if you want to point out an inaccuracy do so in an adult like manner, dont call him retarded because you dislike him
or else hes going to bite back , and than you will bite back to that and so on and so forth
end of discussion. the both of you will end up loosing your accounts at the same time should you continue your banter.