Originally Posted by Tangodeltasierra3
same way dogs know when your going away on holiday too lol...when they start looking all puppy eyed at u as though to say dont leave me

They pick up all the advanced signs for that as well,
Like:
"Where's the F**king passports gone"
"Where did you put the tickets"
"I've got nothing (new) to wear"
"I told you to check the taxi was booked"
.