I’ve got to worry about Alonzo Mourning, because a year or two ago there was a chance that Alonzo Mourning wouldn’t be standing here talking to you. That’s the cold reality of it.

Meaning of the quote

Alonzo Mourning, an American athlete, is saying that he had to be very concerned about his own health and wellbeing. This is because not long ago, there was a real possibility that he might not have even been alive to talk to others. This is the harsh truth of the situation he faced.