I've had family like this. They have their own lives, their interests - and I'm just not an important part of those things. It's the way they are (and were - many have now died).
So... when I would become unhappy about them, I would have to think, "Why do I need them to need me so much?"
And long ago I decided not really to pursue getting them to need me. My need for importance isn't as important (there's that word again) as I sometimes think it is. And when a person tries too hard to be liked, there's usually a negative reaction, not a positive one.
On the other hand, I do have friends who enjoy my company. I'm kind of a nice person - not totally wonderful and awe-inspiring, but pretty nice. Maybe all my relatives are/were missing something! But, again, that's not something I can change.
So I'm glad to be with my relatives when I can. I can love them - without expecting anything back! I taught my children to do the same when they were growing up.
But my closest friends, the companions most near my heart, are elsewhere. In a sense, they're the family I've had the privilege of choosing for myself.