Why does my 閳?always change to a question mark (?) on my myspace?

sometimes when i go back to my myspace, my heart icon in my name changes to a question mark

Why does my 閳?always change to a question mark (?) on my myspace?

mine is like thAT TO i dont know why thats what i am wondring

Why does my 閳?always change to a question mark (?) on my myspace?

that happens to me wen i use alt3 but it stays normal wen i use %26amp;hearts+;