Do you love anybody?
This is very much evident. If you can sincerely answer this question, then you'll understand this the way it is expressed. "What makes you love your family?", "Why are you attached to your family?". Lets understand this with very specific answers. We love our spouse because he/she earns, fulfills our desires, cooks good food, etc. This is a genuine answer. We might feel: "But, no I sincerely love him/her." You don't love your neighbor or a stranger. Just because they are not related to you. They don't contribute to you emotions. They are not giving you any ind of pleasure. So, simply the answer to this question concludes that we love our family because they satisfy our desires. We love our children because they are our extended form of ego, etc. We are attached to our family because they are ours. We are attached because, we find that particular entity interesting. "That particular entity gives me pleasure and so I love him/her....