Ben Askren says he let the medical challenges he's faced over the last month affect him ... admitting he's felt sorry for himself -- but, now, that's all over.
The MMA standout posted a video from a hospital bed Saturday morning ... giving fans another update on his condition and putting into context just how quickly his health has deteriorated.
Askren shared a journal entry written by a friend of the family who wrote on Father's Day that doctors planned to examine him for a potential lung transplant .