Aw man, I know everyone knew it was Michael but I was like OMFG he had a
haircut!!!

i was heartbroken.
But if it had been me in Sayid's place (if i hadn't already been killed by my own stupidity/choking on something) I would have just gone

What the frick, man!? And then the other guy would have known what was going on straight away

I'm not very good when it comes to keeping secrets/being surprised