aaaand in the episode where he keeps flashing into the near future, he gets radiation poisoning and dies.
"They killed O'Brien! ...You bastards!"
O'Brien is the improved
'Red Shirt' that takes a lickin' and keeps on tickin'!
...Because all the other characters were sort of, I wouldn't say larger than life, but nobler than life, but O'Brien was just a guy, trying to live his life and so if you tortured him that was a story[/I]." (Crew Dossier: Miles O'Brien, DS9 Season 5 DVD, Special Features)
"Vell, O'Brien's just zis guy, you know?"