Hi, you have so many questions there, I will take them in order, so, I do have an aquarium with fish, pigeons, a dog, and a cat. I have my aquarium since I was a small child, my dog has 2 years old, and my cat is having 5 years old. I just bought my white pigeons.
I have a family that like pets and starting from my grandmother that owns a dog to my aunt that got a cat. Pets are good at home especially when one wants to have a companion that would always make the house not to he that bored. For me, I don't see any reason to getting one as those around me already got theirs.