Always the Inviter, Never the Invitee

I had a realization this week - I am usually the person who organizes events amongst my group of friends. Book clubs, dinners out, golfing, shopping, etc., it's fun and I love doing that a) because it keeps me busy doing things I love b) because that means I'm in charge which is key. However, I realized since I am know as the inviter and organizer I never get invited to things myself - is this because others are just assuming I'm already busy or will be coordinating something soon? Even if that was true it would still be nice to get the occasional invite from others or maybe are they trying to tell me something???? : )