Pet owners are well aware of the strong connection they have with their animals. They spend a lot of time with their human friends and are a vital member of the family. It should then come as no surprise that when someone has to take a trip or be away from their cuddly pals for any extended period of time, the animals take it pretty hard. Something about seeing dogs and cats, lying in our suitcases, giving us that, “why can’t I come?” look pulls at our heart strings. Here are 20 of the saddest pets ever photographed. #3 looks like he’s not letting you get away with this.