Count on nothing for the long term. We are all just sojourners on this planet. What is there for us now may not be later, and vice versa.
Everything and everyone changes and evolves. You are an agent of those changes. Be aware of your impact and relate with everyone as family. Take care of yourself. As you change, so will others. In the end it is only the scope of the sphere of your acquaintances and influence that determines the size of the family.