我是久光我囍自己
[wŏ shì jiŭ guāng wŏ xĭ zì jĭ]
'我是久光我囍自己' combines the username identifying themselves as 'Jiuguang' followed by self-love expressed through the unique use of character '囍', which symbolizes 'double happiness' traditionally in weddings but here it stands for intense contentment or happiness with oneself, emphasizing a significant sense of self-appreciation.