(i) whether stolen from lab (most unlikely), (ii) washed in dorm & stolen, or (iii) wore it out & forgot to bring back...

it had been hot in couple weeks back, then I should have not wear it when went out...

ghost month

(iv) teleported to somewhere else by a worm hole. according to my theory, the washing machine will create a worm hole when spinning.

(v) Some girl wants to attract your attention~

if want to attract my attention, should leave the contact ;p

Maybe tomorrow you'll see your jacket with a phone number~~