Holiday Hell Avoided

We all have one (don't we?) That one relative who drinks or "Parties" too much and is the one we try to avoid at Holiday time. For me it's my older brother. He has been battling addiction since he was 19. He did really well from his 21st birthday to about 33 years old, and has spent the past 10 years expecting everyone else to take care of him and his family. We haven't spoken for 6 months and I do not anticipate seeing him this Holiday season. He has been in drug rehab centers, but lapses to old habits upon discharge or shortly after.
He is my brother and I love him, but I will not miss him at Thanksgiving or Christmas. I hope he can get himself clean for his kids, but will not subject mine to his behavior.