Am I Down?

Can somebody tell me what's wrong with me?,

when there's absolutely nothing wrong with me?

(situation1)

friend1: What's into you?

me: Huh? me?I thought ur the one who's sick?

friend:1Yyea i know. But you look different ler.

me: I do?

friend 2: Stress is it?

me: *lost*

(situation 2)

lis sis: You look emo today lar!

me: =.=

(situation 3)

(phone conversation)

friend 3: Eh!! i wanted to ask you something.

me:Yupp, what is it? homework ah?

friend3: Yea, but before that, are you okay?

me: Err *wondering*.. yea? why? i dont look okay?

friend 3: No! you look so blur in the morning.

me: Im memang blur in the morning. =.=

friend3: Ya, but you look slightly different that blur.

me: *lost* (are you?)

(situation 4)

Friend4:Hey, are you sick?

me: No ler.Why?

friend 4:You looks like you'll be killing someone later.

ME: I do? ohh okay.. * figuring out what that means*

What do you think?? Anybody??

Lord??