Maybe you need to explain to your family, why it is useful to get a dog. Here are some arguments you can use to convince them :)
According to different studies a dog is healthy for your heart. When you pet a dog, your cholesterol leveles are reduced and so is the risk of cardiovascular illnesses. Children that grow up with a dog have lower risk of developin eczema and allergies. And when you get sick, thanks to a dog you get better faster. Probably because you need to take him for a walk :)
Well, almost for free... you have to feed the dog. Dogs help people to manage their depression, PTSD and stress.
Are you to lazy to exercise? Get a dog and take him for walks!
Many researches proved that dog owners have better social lifes. Also, having a dog makes you empathetic toward others.
Did I convince you to get a dog? Or do you already have one? Please post the picture of your dog in the comments!