If you needed any proof that dogs miss you, here it is.
Astronaut Christina Koch went viral yesterday after tweeting a video of her dog greeting her after she returned from nearly a year in outer space.
The pup doesn't wait until Christina gets into the house to show her how much she was missed. You can see her jumping at the door, because she knew something was up.
The Tweet has been likes more than 100,000 times.
Check it out below and read more HERE.