Sometimes you just need to understand a few things. It's okay if someone doesn't want to meet you. It's okay if they are always busy for you. No one's really busy. Everybody has their own priority list. It's okay if you are not on it. It's up to you to decide how to deal with them when you make on that priority list for a short period of time. Whether to have that temporary attachment is up to you but, the fact is that a few people will always keep on avoiding you unless they want something from you.
Let this sink in and even after that if you are getting hurt because of this, then the real fact is that you need to work on your bond with your family. Our Family is always capable of satisfying our Emotional needs. If you think that your family is not, then you need to work on removing the conversation barriers between your family members...