We are all different people in different social circles. This is just how successful humans operate. You don't behave the same way over dinner with your parents

We are all different people in different social circles. This is just how successful humans operate. You don't behave the same way over dinner with your parents as you are over dinner with your friends. It seems to me you have unrealistic expectations. As you grow older you gain many different social circles, ex college, ex work, ex town etc. What binds you is different and what stimulates each group is different. If you seriously can't find something stimulating about a group of people then just stop seeing them... but remember it is also a reflection on you. Most people offer much more then you seem to be able to extract and when addressed properly are stimulated by challenging conversation.