Even behind the glitz and glam of the runway, life can hit hard - and Miss J. Alexander is living proof. Since his iconic run on America's Next Top Model alongside Tyra Banks, the legendary runway coach has faced health battles fans never saw coming. And, while some familiar faces have been there for him, other dynamics hint at a complicated, tension-filled backstage that viewers are only now seeing unfold.RELATED: 'ANTM' Contestants Speak Out As Social Media Discusses Tyra Banks' Apparent Reaction To Criticism Of The Show In Upcoming DocMiss J.