This like the opposite of my experience. I'm male and in a long term stable relationship and my true friends are just as important to me as they ever were. The

This like the opposite of my experience. I'm male and in a long term stable relationship and my true friends are just as important to me as they ever were. They are like family to me. On the flip side my girlfriend has decided she suddenly no longer has much interest in hanging out with her friends, which is concerning. I have solitary hobbies I enjoy, and I can't fill the gap that her friends have left.