How can I go to social functions with friends and not come away feeling empty inside?

I have a group of friends that are school mums and we have known each other for a few years now and this is a normal feeling that I have with them. They don’t often ask me any questions. I feel I guess that the conversation is quite boring or not very stimulating. I am the one initiating most of the conversation. But if I ever needed anything I could call on most of them – so they are friends.

Is it possible that based on this I can improve on the way that I feel or somehow change it during the gathering so that I don’t come away feeling empty or perhaps drained?