Everyone in the family is happy and excited when a soldier comes home after a long deployment, but who is best at expressing that joy? Right, the dog! Mental_floss posted ten videos of dogs welcoming their soldiers home. I dare you to keep a straight face and a dry eye while watching these. Link
The different views of people greeting their loved ones at Heathrow fits perfectly with this post.
Trust me when I say that I was crying my eyes out within 10 seconds of the start of the movie!